List of marine gastropod genera in the fossil record
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This list of marine gastropod genera in the fossil record is an attempt to list all the
genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...
of
sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
s or
marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...
gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000  extant species of molluscs are recognized. The number of fossil species is e ...
s which have been found in the fossil record. Nearly all of these are genera of shelled forms, since it is relatively rare for gastropods without a shell (
sea slug Sea slug is a common name for some marine invertebrates with varying levels of resemblance to terrestrial slugs. Most creatures known as sea slugs are gastropods, i.e. they are sea snails (marine gastropod mollusks) that over evolutionary t ...
s) to leave any recognizable traces. It is also worth pointing out that this list of genera represents only a very tiny fraction of the number of genera that must actually have existed over the evolutionary time span: the fossil record is an extremely patchy and exceedingly incomplete pteryrecord of life on earth in earlier geological eras. Many genera on this list are still extant, are still living now. On the current version of this list, some extant genera are mistakenly marked as extinct, with a "†" next to the name, but this should slowly become more accurate over time as corrections are made. The list consists of formal genera names in the class
Gastropoda The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. ...
; it excludes purely
vernacular A vernacular or vernacular language is in contrast with a "standard language". It refers to the language or dialect that is spoken by people that are inhabiting a particular country or region. The vernacular is typically the native language, n ...
names. It shows all commonly accepted genera, but it also includes genera which are now considered invalid or doubtful (''
nomina dubia In binomial nomenclature, a ''nomen dubium'' (Latin for "doubtful name", plural ''nomina dubia'') is a scientific name that is of unknown or doubtful application. Zoology In case of a ''nomen dubium'' it may be impossible to determine whether a s ...
''), and names that were not formally published ('' nomina nuda''), as well as
junior synonyms The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linn ...
of more established names. The list ''also'' includes some genera which were first described as gastropods, but which are no longer considered to be gastropods, and which in many cases are not even considered to be mollusks. Genera are listed here alphabetically; no attempt has been made to group them in families or other higher taxa.


A

*'' Abderospira'' *†'' Abretiella'' *†'' Abylea'' *†'' Acamptochetus'' *†'' Acamptogenotia'' * '' Acanthina'' *†''
Acanthinucella ''Acanthinucella'' is a genus of sea snails, marine gastropod mollusks in the family Muricidae Muricidae is a large and varied taxonomic family of small to large predatory sea snails, marine gastropod mollusks, commonly known as murex snail ...
'' *†'' Acanthonema'' *†'' Acanthotrophia'' *†'' Aciculiscala'' *†'' Acilia'' * ''
Acirsa ''Acirsa'' is a genus of predatory sea snails, marine prosobranch gastropod mollusks in the family Epitoniidae. They are commonly known as wentletraps.Bouchet, P.; Gofas, S. (2010). Acirsa Mörch, 1857. Accessed through: World Register of Ma ...
'' *†'' Acirsella'' *†''
Acliceratia ''Acliceratia'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi-terrestrial gastropod mollusks or micromollusk in the family Iravadiidae Iravadiidae is a family of minute sea snails, m ...
'' *''
Aclis ''Aclis'' is a genus of small sea snails, marine gastropod mollusks in the family Eulimidae. Species * '' Aclis acuta'' (Jeffreys, 1884) * '' Aclis angulata'' E. A. Smith, 1890 * '' Aclis ascaris'' (Turton, 1819) * ''Aclis attenuans'' Jeffreys, ...
'' *†'' Aclisina'' * ''
Acmaea ''Acmaea'' is a genus of sea snails, specifically true limpets, marine gastropod mollusks in the family Acmaeidae, one of the families of true limpets.Bouchet, P.; Rosenberg, G.; Gofas, S. (2014). Acmaea Eschscholtz, 1833. Accessed through: ...
'' *†'' Acmaturris'' *†''
Acme Acme is Ancient Greek (ακμή; English transliteration: ''akmē'') for "the peak", "zenith" or "prime". It may refer to: Arts and entertainment * ''Acme'' (album), an album by the Jon Spencer Blues Explosion * Acme and Septimius, a fictional ...
'' *†'' Acominia'' *†'' Acrilla'' *†'' Acrilloscala'' *†'' Acrocoelum'' *†'' Acrocolpus'' *†'' Acrocosmia'' *†''
Acroreia Acroreia or Akroreia ( grc, Ἀκρώρεια) was a mountainous district of ancient Elis on the borders of Arcadia, in which the rivers Peneius and Ladon take their rise. The inhabitants of the district were called Acrocreii (Ἀκρωρεῖοι) ...
'' *†'' Acrosolarium'' *†'' Acrospira'' *†'' Acrostemma'' *†'' Acrostylus'' * ''
Actaeon Actaeon (; grc, Ἀκταίων ''Aktaion''), in Greek mythology, son of the priestly herdsman Aristaeus and Autonoe in Boeotia, was a famous Theban hero. Like Achilles in a later generation, he was trained by the centaur Chiron. He fell to ...
'' *†'' Actaeonella'' *†'' Actaeonellina'' *†'' Actaeonema'' *†'' Actaeonidea'' *†'' Actaeonina'' *†'' Actaeopyramis'' * ''
Acteocina ''Acteocina'' is a genus of very small sea snails, bubble snails, marine opisthobranch gastropod mollusks in the family Tornatinidae, the canoe bubbles or chalice bubble snails. Species Species within the genus ''Acteocina'' include: * '' Acte ...
'' * '' Actinoleuca'' *†'' Actinopsis'' *†'' Actomphalus'' *†'' Acuminia'' *†'' Acupurpura'' *†'' Adamnestia'' *†'' Adelocythara'' * ''
Adelomelon ''Adelomelon'' is a genus of sea snails, marine gastropod mollusks in the family Volutidae. Description The medium-sized to large shell is smooth or knobbed. The protoconch is small and smooth with or without a calcarella. Species Species wit ...
'' *†'' Ademtula'' *†''
Adeorbis ''Tornus'' is a genus of sea snails, marine gastropod mollusks in the family Tornidae.MolluscaBase eds. (2022). MolluscaBase. Tornus W. Turton & Kingston, 1830. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/ ...
'' *†'' Adinus'' *†'' Adiozoptyxis'' *†'' Admete'' *†'' Admetopsis'' *†'' Adusta'' *†'' Aehmospira'' *†''
Aeneator An ''aeneator'' ( lat, aēneātor or ) was a specialized player of wind instruments who was attached to a Roman military unit. The word comes from Latin ''aēneus'' or ''ahēneus'', "brazen", from ''aes'', "copper alloy". While the size of individ ...
'' *†'' Aepystoma'' *†'' Aequispirella'' * ''
Aesopus Aesop ( or ; , ; c. 620–564 BCE) was a Greek fabulist and storyteller credited with a number of fables now collectively known as ''Aesop's Fables''. Although his existence remains unclear and no writings by him survive, numerous tales cre ...
'' *†'' Afer'' *†'' Affiniptyxis'' *†'' Affrollonia'' *†''
Aforia ''Aforia'' is a genus of sea snails, marine gastropod mollusks in the family Cochlespiridae. Description The shell resembles '' Irenosyrinx'', but with stronger sculpture and with a paucispiral operculum, bearing such a relation to the normal ...
'' *†'' Africoterebellum'' *†'' Afriscrobs'' *†'' Afrocornulina'' *†'' Afrocypraea'' *†'' Afrovolutilithes'' * '' Agaronia'' *†'' Agasoma'' * '' Agatha'' *†'' Agathirses'' *†''
Agathistoma ''Agathistoma'' is a genus of small to medium-sized sea snails, marine gastropod molluscs in the family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or o ...
'' *†''
Agathodonta ''Agathodonta'' is a genus of sea snails, marine gastropod mollusks in the family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or ...
'' *†''
Agathotoma ''Agathotoma'' is a genus of minute sea snails, marine (ocean), marine gastropod mollusks or micromollusks in the family (biology), family Mangeliidae. Description Typical character of this genus: the spiral Sculpture (mollusc), sculpture consis ...
'' *†''
Agatrix ''Agatrix'' is a genus of sea snails, marine gastropod mollusks in the family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The pur ...
'' *†'' Ageria'' *†'' Agladrillia'' *†'' Aglaoglypta'' *†'' Agnesia'' *†''
Agnewia ''Agnewia'' is a genus of sea snails, marine gastropod mollusks in the family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or oth ...
'' *†'' Agniesella'' *†'' Aiptospira'' *†'' Aizyella'' *†'' Akburunella'' * ''
Akera ''Akera'' is a marine genus of sea hare in the family Akeridae, known from the late Callovian (Jurassic) to the recent periods.Gofas, S. (2012). Akera O.F. Müller, 1776. Accessed through: World Register of Marine Species at http://www.marinespe ...
'' * '' Alaba'' *†''
Alabina Alabina is a French-based group that performs a mix of world music: Middle Eastern, Arabic, French, Hebrew, and Spanish Gypsy music. Alabina consists of lead singer Ishtar, who does the female vocals, and the band Los Niños de Sara, who provi ...
'' *†'' Alaionema'' *†'' Alariopsis'' *†'' Alaskacirrus'' *†'' Alaskiella'' *†'' Alaskozygopleura'' *†'' Alcidiella'' *†'' Alcira'' *'' Alcithoe'' *†''
Aldrichia ''Aldrichia'' is a genus of bee flies (insects in the family Bombyliidae). Species These species belong to the genus ''Aldrichia'': *'' A. auripuncta'' Painter, 1940 *'' A. ehrmanii'' Coquillett Daniel William Coquillett (23 January 1856, Ple ...
'' *'' Alectrion'' *'' Aletes'' *†'' Algaroda'' * ''
Alia Alia or ALIA may refer to: People *Alia (name), a list of people with the surname or given name Places *Alia, Sicily, Italy, a comune * Alia (Phrygia), a town of ancient Phrygia which remains a Roman Catholic titular bishopric *Alía, Spain, a mu ...
'' * ''
Aliculastrum ''Aliculastrum'' is a genus of small sea snails or bubble snails, marine opisthobranch gastropod molluscs in the family Haminoeidae Haminoeidae, commonly known as the haminoeid bubble snail family, is a taxonomic family of sea snails, marine op ...
'' *†''
Aliger ''Aliger'' is a genus of sea snails, marine gastropod mollusks in the family Strombidae, the true conchs. ''Aliger'' was previously a synonym of '' Lobatus'' Swainson, 1837 Species Species within the genus ''Aliger'' include: * †''Aliger dom ...
'' *†'' Aliofusus'' *†'' Allocosmia'' *†'' Allostrophia'' *†'' Alocaxis'' *†'' Alocospira'' *†'' Altaspiratella'' *†''
Altivasum ''Altivasum'' is a genus of sea snails, marine gastropod mollusks in the family Turbinellidae Turbinellidae are a family of sea snails, marine gastropod mollusks in the clade Neogastropoda. Members of this family are predators. Distributi ...
'' *†'' Altomarginula'' *†''
Altrix ''Altrix'' is a genus of sea snails, marine gastropod mollusks in the family Fissurellidae Fissurellidae, common name the keyhole limpets and slit limpets, is a taxonomic family of limpet-like sea snails, marine gastropod molluscs in the clade ...
'' * ''
Alvania ''Alvania'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae. ''Alvania'' as currently used may not be monophyletic. Distribution These marine species can be found worldwide (except in the An ...
'' * '' Alvinia'' * '' Amaea'' * ''
Amalda ''Amalda'' is a genus of medium-sized sea snails, a marine gastropod mollusc in the family Ancillariidae, the olives and allies.Bouchet, P. (2014). Amalda H. Adams & A. Adams, 1853. Accessed through: World Register of Marine Species at http://www ...
'' *†'' Amarophos'' *†'' Amaura'' *†'' Amaurellina'' *†'' Amauropsina'' *†'' Amauropsis'' *†'' Amauropsona'' *†'' Amaurotoma'' *†'' Amberleya'' *†'' Amblyacrum'' *†'' Ambozone'' *†'' Amekichilus'' *†'' Amekicythara'' *†'' Ameranella'' *†'' Amonilea'' *†'' Amorena'' *'' Amoria'' *†'' Ampezzamilda'' *†'' Ampezzoella'' *†'' Ampezzogyra'' *†'' Ampezzopleura'' *†'' Ampezzoscala'' *†'' Ampezzotrochus'' *†'' Amphinerita'' *†'' Amphiperas'' *†'' Amphiscapha'' * '' Amphissa'' *†'' Amphithalamus'' *†'' Amphitomaria'' *†'' Amphitrochus'' *†'' Amplicolpus'' *†'' Amplogladius'' *†'' Amplosipho'' *†'' Amplostoma'' * '' Ampulla'' *†'' Ampullella'' *†'' Ampullina'' *†'' Ampullinopsis'' *†'' Ampullospira'' *†'' Ampulonatica'' *†'' Amuletum'' *†'' Amyclina'' *†'' Amyssodropa'' * '' Anachis'' *†'' Anacithara'' *†'' Ananias'' *†'' Anapepta'' *†'' Anapetopsis'' *†'' Anarconcha'' *†'' Anastes'' *'' Anatoma'' *†'' Anazola'' *†'' Anbullina'' *†'' Anceps'' *†'' Anchura'' * '' Ancilla'' *†'' Ancillarina'' *†'' Ancillina'' *'' Ancillista'' *†'' Ancillopsis'' *†'' Ancistrolepis'' *†'' Ancistromesus'' *†'' Ancistrosyrinx'' *†'' Anculosa'' *†'' Andangularia'' *†'' Andicula'' *†'' Andonia'' *†'' Anematina'' *†'' Aneurychilus'' *†'' Aneurystoma'' * '' Angaria'' *†'' Anguillospira'' *†'' Angularia'' *†'' Angyomphalus'' *†'' Anisomyon'' *†'' Anisostoma'' *†'' Annepona'' *†'' Anodomaria'' *†'' Anomalisipho'' *†'' Anomalofusus'' *†'' Anomalomya'' *†'' Anomphalus'' *†'' Anoptychia'' *†'' Anoriostoma'' *†'' Anozyga'' *†''
Ansates ''Patella'' is a genus of sea snails with gills, typical true limpets, marine gastropod mollusks in the family Patellidae, the true limpets. ''Patella'' is the type genus of the family Patellidae. Species Species within the genus ''Patella'' i ...
'' *†'' Antarctodarwinella'' *†'' Anteglossia'' *†'' Antepepta'' *†'' Anticlimax'' *†'' Anticonulus'' *†'' Antiguraleus'' *†'' Antillachelus'' * ''
Antillophos ''Antillophos'' is a genus of sea snails, marine gastropod mollusks in the family Nassariidae. Taxonomy This genus was treated within family Buccinidae. It was moved to family Nassariidae in 2016.Galindo, L. A., Puillandre, N., Utge, J., Lozouet ...
'' *†''
Antimelatoma ''Antimelatoma'' is a genus of predatory sea snails, marine gastropod molluscs in the family Pseudomelatomidae Pseudomelatomidae is a family of predatory sea snails, marine gastropods included in the superfamily Conoidea (previously Conacea) ...
'' *†'' Antimitra'' *†'' Antinodulus'' * ''
Antiplanes ''Antiplanes'' is a genus of sea snails, marine gastropod mollusks in the family Pseudomelatomidae,. Description (Original description) These deep-water and abyssal forms are smooth except for incremental lines and sometimes fine spiral striae. T ...
'' *'' Antisolarium'' *†'' Antitrochus'' *†''
Antizafra ''Antizafra'' is a genus of extinct sea snails, marine gastropod mollusks in the family Columbellidae The Columbellidae, the dove snails or dove shells, are a family of minute to small sea snails, marine gastropod mollusks in the order Neog ...
'' *†'' Aoteadrillia'' *†'' Apachella'' *†'' Apataxia'' *†'' Aphanoptyxis'' *†'' Aphanotaenia'' *†''
Aphera ''Aphera'' is a genus of sea snails, marine gastropod mollusks in the family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purp ...
'' *†'' Apicaria'' *†'' Apiocypraea'' *†''
Apiotoma ''Apiotoma'' is a genus of sea snails, marine gastropod mollusks in the family Cochlespiridae Cochlespiridae is a Taxonomy (biology), taxonomic family (biology), family of predatory sea snails, marine gastropod mollusks in the superfamily Co ...
'' *†'' Aplocus'' * ''
Aplustrum ''Aplustrum'' is a genus of gastropods belonging to the family Aplustridae. MolluscaBase eds. (2021). MolluscaBase. Aplustrum Schumacher, 1817. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdet ...
'' * ''Apollon'' (synonym of
Ranella ''Ranella'' is a genus of large warm-water and tropical sea snails, marine gastropod molluscs in the family Ranellidae, the tritons. Shell description The shells of species within this genus are very large and solid, with a tall spire, a ro ...
) * ''
Aporrhais ''Aporrhais'' is a genus of medium-sized sea snails, marine gastropod mollusks in the family Aporrhaidae and the superfamily Stromboidea.Appisania'' *†'' Aptycholathyrus'' *†'' Aptyxiella'' *†''
Aptyxis ''Aptyxis'' is a genus of sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Fasciolariidae, the spindle snails, the tulip snails and their allies.MolluscaBase eds. (2020). MolluscaBase. Aptyxis Troschel, 1868. ...
'' *†'' Aquilofusus'' *†'' Araeodactylus'' *†'' Araeonema'' *†'' Araratella'' *†''
Arastra An arrastra (or arastra) is a primitive Mill (grinding), mill for grinding and pulverizing (typically) gold or silver ore. Its simplest form is two or more flat-bottomed drag stones placed in a circular pit paved with flat stones, and connected ...
'' *†'' Arayina'' *†'' Archicypraea'' *†''
Archierato ''Archierato'' is a genus of small sea snails, marine gastropod mollusks in the family Eratoidae, the false cowries or trivias.MolluscaBase eds. (2022). MolluscaBase. Archierato Schilder, 1933. Accessed through: World Register of Marine * † At: ...
'' *''
Archimediella ''Archimediella'' is a genus of sea snails, marine gastropod mollusks in the family Turritellidae.MolluscaBase (2019). MolluscaBase. Archimediella Sacco, 1895. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/ap ...
'' *†'' Archinacella'' *''
Architectonica ''Architectonica'' is a genus of sea snails in the family Architectonicidae. Species According to the World Register of Marine Species, the following species are included in the genus Architectonica: * '' Architectonica arcana'' Bieler, 1993 ...
'' * ''
Arctomelon ''Arctomelon'' is a genus of sea snails, marine gastropod mollusks in the family Volutidae. Species Species within the genus ''Arctomelon'' include: * ''Arctomelon benthale ''Arctomelon benthale'' is a species of sea snail, a marine gastr ...
'' *†'' Arcularia'' *†'' Aremella'' * '' Arene'' *†'' Arestorides'' *†''
Argalista ''Argalista'' is a genus of sea snails, marine gastropod mollusks in the family Colloniidae. Distribution These marine species are endemic to New Zealand, except ''Argalista kingensis'', which occurs off Tasmania and ''Argalista rosea,'' which ...
'' *†'' Arginula'' * '' Argobuccinum'' *†'' Argyrobessa'' *†'' Argyropeza'' *†'' Ariadnaria'' *†'' Arisostoma'' *†'' Aristerella'' *†'' Aristerostrophia'' *†'' Arizonella'' *†'' Arjamannia'' *†'' Armenostoma'' *†''
Arrhoges ''Arrhoges'' is a monospecific genus of medium-sized sea snails, marine gastropod mollusks in the family Aporrhaidae and the superfamily Stromboidea.
'' *†'' Arribazona'' *†'' Arthessidae'' *†'' Ascensovoluta'' *†'' Ascolatirus'' *†'' Aspa'' * ''
Aspella ''Aspella'' is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails. Species Species within the genus ''Aspella'' include: * '' Aspella aclydis'' Houart, 2017 * '' Aspella acuticostata'' (T ...
'' *†''
Asperdaphne ''Asperdaphne'' is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae. Description This genus resembles '' Daphnella'' in form and general appearance, but differs in having the protoconch spirally grooved instead of bein ...
'' *†'' Asperilla'' *†'' Asperiscala'' *†'' Aspidotheca'' *†'' Astandes'' * ''
Astele ''Astele'' is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae. Some authors use ''Astele'' Swainson, 1855 as a subgenus in ''Calliostoma'' Swainson, 1840 and in ''Astele'' Swainson, 1855 Species Species withi ...
'' *'' Asteracmea'' *†'' Asterohelix'' *†'' Asthenotoma'' * ''
Astraea Astraea, Astrea or Astria ( grc, Ἀστραία, Astraía; "star-maiden" or "starry night"), in ancient Greek religion, is a daughter of Astraeus and Eos. She is the virgin goddess of justice, innocence, purity and precision. She is closely asso ...
'' *†'' Astralites'' * ''
Astralium ''Astralium'', common name star snails, is a genus of sea snails, marine gastropod mollusks in the family Turbinidae, the turban snails and star snails.Bouchet, P. (2012). ''Astralium'' Link, 1807. Accessed through: World Register of Marine S ...
'' * ''
Astyris ''Astyris'' is a genus of sea snails, marine gastropod molluscs in the family Columbellidae The Columbellidae, the dove snails or dove shells, are a family of minute to small sea snails, marine gastropod mollusks in the order Neogastropoda.Bo ...
'' * '' Atalacmea'' *†'' Ataphropsis'' *†'' Ataphrus'' *†''
Ataxocerithium ''Ataxocerithium'' is a genus of sea snails, marine gastropod molluscs in the family Newtoniellidae.Bouchet, P. (2014). Ataxocerithium Tate, 1894. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=tax ...
'' *†'' Ataxotrochus'' *†''
Athleta ''Athleta'' is a genus of sea snails, marine gastropod mollusks in the family Volutidae. Species Species within the genus ''Athleta'' include: * '' Athleta abyssicola'' (Adams & Reeve, 1848) * † ''Athleta affinis'' (Brocchi, 1814) * '' Athl ...
'' * ''
Atilia Atilia (sometimes spelt Attilia) was the first wife of Marcus Porcius Cato Uticensis and mother of his two eldest children. Biography Early life It is not known for certain who Atilia's father was, but he was from the Atilii Serrani. He may have be ...
'' *†'' Atira'' *†''
Atkinsonella ''Atkinsonella'' is a genus of fungi within the Clavicipitaceae The Clavicipitaceae are a family of fungi within the order Hypocreales. A 2008 estimate placed 43 genera in the family, but recent work has increased this number to 97. Phylogeny ...
'' * ''
Atlanta Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,715 ...
'' *†'' Atlantobellerophon'' *†'' Atoma'' *†'' Atractotrema'' *†'' Atraktus'' *†'' Atresius'' *†'' Atrimitra'' *†''
Attenuata ''Attenuata'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Lironobidae. Species There are 21 species within the genus ''Attenuata'', including: * † '' Attenuata admiranda'' Richardson, 1997 * '' A ...
'' * ''
Attiliosa ''Attiliosa'' is a genus of sea snails, marine gastropod mollusks in the family Muricidae Muricidae is a large and varied taxonomic family of small to large predatory sea snails, marine gastropod mollusks, commonly known as murex snails ...
'' * '' Atys'' *†'' Aulacodiscus'' *†''
Aulacofusus ''Aulacofusus'' is a genus of sea snails, marine gastropod mollusks in the subfamily Neptuneinae of the family Buccinidae, the true whelks. Species According to the World Register of Marine Species The World Register of Marine Species (WoRMS ...
'' *†'' Aulacostrepsis'' *†'' Aulica'' *†'' Aulicina'' *†'' Aurelianella'' *†'' Auriala'' *†''
Aurina ''Aurina'' is a genus of skippers in the family Hesperiidae, in which it is placed in tribe Phocidini. Taxonomy Previously considered monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately su ...
'' *†'' Auriptygma'' *†'' Auristomia'' *†'' Auseria'' *†'' Austerum'' *†'' Australolaxispira'' *†'' Australonema'' *†'' Austriacopsis'' *†'' Austroaporrhais'' *†'' Austroclavus'' *†'' Austrocochlis'' *†'' Austrocominella'' *†'' Austrocypraea'' *†'' Austrodrillia'' *†'' Austrofusus'' *†''
Austroharpa ''Austroharpa'' is a genus of sea snails, marine gastropod mollusks in the family Harpidae.Finlay H.J. (1931). On Austrosassia, Austroharpa, and Austrolithes, new genera; with some remarks on the gastropod protoconch. Transactions of the Royal ...
'' *†'' Austrolithes'' *†''
Austromitra ''Austromitra'' is a genus of sea snails, marine gastropod mollusks in the family Costellariidae Costellariidae sometimes called the "ribbed miters" is a taxonomic family of minute to medium-sized predatory sea snails, marine gastropod mol ...
'' *†''
Austrosassia ''Austrosassia'' is a genus of sea snails, a marine gastropod mollusc in the family Cymatiidae. Species The genus contains the following species: * '' Austrosassia parkinsonia'' (Perry, 1811) * ''Austrosassia ponderi'' (Beu, 1987) ;Species broug ...
'' *†'' Austroscalata'' *†'' Austrosphaera'' *†'' Austrotoma'' *†'' Austrotriton'' *†''
Austrotrophon ''Austrotrophon'' is a genus of sea snails, marine gastropod mollusks in the family Muricidae Muricidae is a large and varied taxonomic family of small to large predatory sea snails, marine gastropod mollusks, commonly known as murex snails ...
'' *†'' Austroworthenia'' *†'' Avellana'' *†'' Awateria'' *†''
Axelella ''Axelella'' is a genus of sea snails, marine gastropod mollusks in the family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The pu ...
'' *†'' Axymene''


B

*†''
Babella ''Babella'' is a genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini (sensu taxonomy by Bouchet & Roctroi, 2005).Bouchet, P.; Gofas, S.; Rosenberg, G. (201 ...
'' *†'' Babylonella'' * ''
Babylonia Babylonia (; Akkadian: , ''māt Akkadī'') was an ancient Akkadian-speaking state and cultural area based in the city of Babylon in central-southern Mesopotamia (present-day Iraq and parts of Syria). It emerged as an Amorite-ruled state c. ...
'' *†'' Babylonites'' *†'' Bactrocythara'' *†'' Bactroptyxis'' *†'' Bactrospira'' * '' Bailya'' *†'' Bajanerita'' *†'' Bakonyia'' * '' Balcis'' *†'' Balinula'' *†'' Bandelium'' *†'' Bandellina'' *†''
Banis Gurbani ( pa, ਗੁਰਬਾਣੀ) is a Sikh term, very commonly used by Sikhs to refer to various compositions by the Sikh Gurus and other writers of Guru Granth Sahib. In general, hymns in the central text of the Sikhs, the Guru Granth Sahi ...
'' *†''
Bankivia ''Bankivia'' is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.Bouchet, P. (2012). ''Bankivia'' Krauss, 1848. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.p ...
'' *†''
Barbarofusus ''Barbarofusus'' is a genus of sea snails, marine gastropod mollusks in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.Bouchet, P.; Sartori, André F. (2017). Barbarofusus Grabau & Shimer, 1909. In: MolluscaBase ...
'' *†'' Barbotella'' * ''
Barleeia ''Barleeia'', or the barleysnails, is a genus of very small sea snails. They are marine gastropod micromollusks in the family Barleeiidae. These snails are usually only a couple of millimeters in length.MolluscaBase eds. (2020). MolluscaBase. Bar ...
'' *†'' Barnesella'' *†'' Barocospira'' *†'' Barrandecirrus'' *†'' Barrealispira'' *†'' Barroisucaulus'' *'' Bartonia'' *''Bartschella'' (synonym of ''
Turbonilla ''Turbonilla'' is a large genus of ectoparasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies.Bouchet, P.; Gofas, S. (2011). ''Turbonilla'' Risso, 1826. Accessed through: World Register of Mari ...
'') *†'' Barycypraea'' *''Baryspira'' (synonym of ''
Amalda ''Amalda'' is a genus of medium-sized sea snails, a marine gastropod mollusc in the family Ancillariidae, the olives and allies.Bouchet, P. (2014). Amalda H. Adams & A. Adams, 1853. Accessed through: World Register of Marine Species at http://www ...
'') *†'' Basilirata'' *†''
Basilissa ''Basileus'' ( el, ) is a Greek term and title that has signified various types of monarchs in history. In the English-speaking world it is perhaps most widely understood to mean "monarch", referring to either a "king" or an "emperor" and al ...
'' *†'' Basilitrona'' *†'' Bassotrochus'' *†'' Bastropia'' *†'' Bathraspira'' *†'' Bathrotomaria'' *''
Bathybembix ''Bathybembix'' is a genus of deep-water sea snails, marine gastropod molluscs in the family Eucyclidae. This genus was originally called ''Bembix'' by Robert B. Watson (, but as this was a junior homonym of ''Bembix'' Fabricius, 1775 ymenopter ...
'' *†'' Bathyclides'' *†'' Bathygalea'' *†'' Bathytoma'' *''
Batillaria ''Batillaria'' is a genus of small salt marsh or mudflat snails, marine gastropod mollusks in the family Batillariidae, the horn snails. Species Species within the genus ''Batillaria'' include: * '' Batillaria attramentaria'' (G. B. Sowerby I, ...
'' *†'' Batillona'' *†'' Bauxia'' *†'' Bayania'' *†'' Baylea'' *†''
Bedeva ''Bedeva'' is a genus of sea snails, marine gastropod molluscs in the family Muricidae, the murex snails or rock snails. Species Species within the genus ''Bedeva'' include: * ''Bedeva baileyana'' (Tenison Woods, 1881) * '' Bedeva elongata'' (Tr ...
'' *†'' Beisselia'' *†'' Bela'' *†'' Belatomina'' * '' Bellaspira'' *†''
Bellastraea ''Bellastraea'' is a genus of sea snails, marine gastropod mollusks in the family Turbinidae, the turban snails. The Australian Faunal Directory considers this genus as a synonym of ''Astralium'' Link, 1807 Species Species within the genus '' ...
'' *†'' Bellatara'' *†'' Bellazona'' *†'' Bellerophina'' *†''
Bellerophon Bellerophon (; Ancient Greek: Βελλεροφῶν) or Bellerophontes (), born as Hipponous, was a hero of Greek mythology. He was "the greatest hero and slayer of monsters, alongside Cadmus and Perseus, before the days of Heracles", and his ...
'' *†'' Bellifusus'' *†'' Belliscala'' *†'' Belloliva'' *†'' Belonidium'' *†'' Belophos'' *†''
Bembexia † ''Bembexia'' is a genus of fossil sea snails, marine gastropod mollusks. This genus is placed in the subfamily Eotomariinae, of the family Eotomariidae. The shell characters resemble those of Balbinipleura. These snails have been interprete ...
'' *†''
Bembicium ''Bembicium'' is a genus of sea snails, marine gastropod mollusks in the family Littorinidae The Littorinidae are a Taxonomy (biology), taxonomic family (biology), family of over 200 species of sea snails, marine (ocean), marine gastropod ...
'' *†'' Bembridgia'' *†'' Bendeia'' *†'' Benoistea'' *†''
Benthomangelia ''Benthomangelia'' is a genus of sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Mangeliidae. Species Species within the genus ''Benthomangelia'' include: * ''Benthomangelia abyssopacifica'' Sysoev, 1988 * ' ...
'' *†'' Beraua'' *†'' Beraunia'' *†'' Beretra'' *†''
Beringius ''Beringius'' is a genus of large sea snails or true whelks, a marine gastropod molluscs in the family Buccinidae, the true whelks. ''Beringius'' is the type genus of the subfamily Beringiinae. Species According to the World Register of Marin ...
'' *†'' Berlieria'' *†''
Bernaya ''Bernaya'' is a genus of sea snails or cowries, marine gastropod mollusks in the family Cypraeidae, the cowries. Species Species within the genus ''Bernaya'' include: * ''Bernaya crawfordactei'' ( extinct/fossil A fossil (from Clas ...
'' *†''
Berthelinia ''Berthelinia'' is a genus of gastropod belonging to the family Juliidae. MolluscaBase eds. (2021). MolluscaBase. Berthelinia Crosse, 1875. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails ...
'' * ''
Besla ''Besla'' is a small genus of miniature sea snails, pyramidellid gastropod mollusks in the family Pyramidellidae within the tribe Chrysallidini (sensu taxonomy by Bouchet & Roctroi, 2005).Gofas, S.; Bouchet, P. (2012). Besla Dall & Bartsch, 190 ...
'' *†'' Beyrichidiscus'' *†'' Bezanconia'' *†'' Biangularia'' *†'' Bicarina'' *†'' Bicarinella'' *†'' Bicatillus'' *†'' Bifidoscala'' *†'' Biformispira'' *†'' Bifurcium'' *†'' Bigotella'' *†'' Billiemia'' *†'' Biplex'' *†'' Biplica'' * '' Bittiolum'' *†'' Bittiscala'' * ''
Bittium ''Bittium'' is a genus of very small sea snails, marine gastropod molluscs in the family Cerithiidae, the horn snails.Gofas, S. (2011). Bittium Leach in Gray, 1847. Accessed through: World Register of Marine Species at http://www.marinespeci ...
'' *†''
Bivetiella ''Bivetiella'' is a genus of sea snails, marine gastropod mollusks in the family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The ...
'' *†'' Bivetopsia'' *†''
Bivonia ''Dendropoma'' is a genus of irregularly coiled sea snails known as "worm shells" or "worm snails". These are marine (ocean), marine gastropod molluscs in the family Vermetidae, the worm snails. Species According to the World Register of Marine ...
'' *†'' Blackdownia'' *†'' Blancia'' *†'' Blasicrura'' *†'' Boeckhia'' *†'' Boehmiola'' *†'' Boettgeriola'' *†'' Boggsia'' *†'' Bohaispira'' *†'' Bohaispiropsis'' *†'' Boiotremus'' * '' Bolinus'' *†'' Bolis'' *†''
Bolma ''Bolma'' is a genus of medium to large sea snails with a calcareous operculum, marine gastropod molluscs in the family Turbinidae, the turban snails.Bouchet, P.; Gofas, S. (2014). Bolma Risso, 1826. Accessed through: World Register of Marin ...
'' *†'' Boltenella'' *†'' Bonellitia'' *†'' Bonnetella'' *†''
Boreocomitas ''Boreocomitas'' is a genus of extinct sea snails, marine gastropod mollusks in the family Pseudomelatomidae Pseudomelatomidae is a family of predatory sea snails, marine gastropods included in the superfamily Conoidea (previously Conacea) ...
'' *†'' Boreoscala'' * '' Boreotrophon'' *†'' Borestus'' *†'' Borsonella'' *†'' Borsonia'' *†'' Boucotspira'' *†'' Boucotspira'' *†'' Bourgetia'' *†'' Boutillieria'' *†'' Bovicornu'' *†'' Bowdenagaza'' *†'' Bowdenatheca'' *†'' Brachycerithium'' *†'' Brachycythara'' *†'' Brachysphingus'' *†'' Brachystoma'' *†'' Brachystomia'' *†'' Brachytoma'' *†'' Brachytomaria'' *†'' Brachytrema'' *†'' Bradyospira'' *†'' Bramertonia'' *†'' Bridegeina'' *†'' Bridegeites'' *†'' Brilonella'' *†'' Brocchia'' *†'' Brocchinia'' *†'' Brocchitas'' *†'' Brochidium'' *†'' Brochina'' *†''
Brookesena ''Brookesena'' is a genus of sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Mathildidae,Rosenberg, G.; Gofas, S. (2012). Brookesena. Accessed through: World Register of Marine Species at http://www.marinespe ...
'' * ''
Brookula ''Brookula'' is a genus of minute sea snails or micromolluscs, marine gastropod molluscs unassigned in the superfamily Seguenzioidea.WoRMS (2010). Brookula Iredale, 1912. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca data ...
'' *†'' Brouzetia'' *†'' Bruclarkia'' *†''
Brunonia ''Brunonia australis'', commonly known as the blue pincushion or native cornflower, is a perennial or annual herb that grows widely across Australia. It is found in woodlands, open forest and sand plains. In Cronquist's classification scheme ...
'' *†'' Bubovicus'' *†'' Bucanella'' *†'' Bucania'' *†'' Bucanoides'' *†'' Bucanopsis'' *†'' Bucanospira'' *†''
Buccinanops ''Buccinanops'' is a genus of sea snails, marine gastropod mollusks in the family Buccinanopsidae, the ''Nassa'' mud snails or dog whelks and the like.Bouchet, P. & Gofas, S. (2015). "''Buccinanops'' d'Orbigny, 1841". In: MolluscaBase (2015). Acc ...
'' *†''
Buccinaria ''Buccinaria'' is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae. Species Species within the genus ''Buccinaria'' include: * † '' Buccinaria guacoldae'' Nielsen, 2003 * † '' Buccinaria hoheneggeri'' Kittl, 188 ...
'' *†'' Buccinofusus'' *†'' Buccinopsis'' *†'' Buccinorbis'' *†''
Buccinulum ''Buccinulum'' is a genus of sea snails, marine gastropod molluscs in the family Buccinidae, the true whelks.MolluscaBase eds. (2020). MolluscaBase. Buccinulum Deshayes, 1830. Accessed through: World Register of Marine Species at: http://www.mari ...
'' * ''
Buccinum ''Buccinum'' is a genus of medium-sized sea snails, marine gastropod molluscs in the family Buccinidae, the true whelks.Gofas, S.; Bouchet, P. (2014). Buccinum Linnaeus, 1758. Accessed through: World Register of Marine Species at http://www.marin ...
'' *†'' Buccitriton'' *†'' Bucconia'' *†'' Buchozia'' *†'' Buckmanina'' *†'' Buechelia'' *†'' Bufonariella'' *†'' Bulbihastula'' *†'' Bulbus'' *†'' Bulimactaeon'' *†'' Bulimorpha'' * ''
Bulla Bulla (Latin, 'bubble') may refer to: Science and medicine * Bulla (dermatology), a bulla * Bulla, a focal lung pneumatosis, an air pocket in the lung * Auditory bulla, a hollow bony structure on the skull enclosing the ear * Ethmoid bulla, pa ...
'' *''
Bullata ''Bullata'' is a genus of small to large sea snails, marine gastropod mollusks in the family Marginellidae, the margin snails. Distribution This is a tropical western Atlantic genus. Habitat Representatives from this genus have been recorded a ...
'' *†'' Bullia'' *†''
Bullina ''Bullina'' is a genus of sea snails or bubble snails, marine gastropod molluscs in the family Aplustridae. Species Species within the genus ''Bullina'' include: *'' Bullina callizona'' Sakurai & Habe, 1961 **Distribution : Philippines **Descr ...
'' *†'' Bulliopsis'' *†'' Bullopsis'' *†'' Bulovia'' *†'' Burdikinia'' * ''
Bursa ( grc-gre, Προῦσα, Proûsa, Latin: Prusa, ota, بورسه, Arabic:بورصة) is a city in northwestern Turkey and the administrative center of Bursa Province. The fourth-most populous city in Turkey and second-most populous in the ...
'' *†'' Burtinella'' * '' Buscotypus'' * ''
Busycon ''Busycon'' is a genus of very large edible sea snails in the subfamily Busyconinae. These snails are commonly known in the United States as ''whelks'' or ''Busycon whelks''. Less commonly they are loosely, and somewhat misleadingly, called "conc ...
'' *†'' Buvignieria'' *†'' Byramia'' *†'' Byzantia''


C

*†'' Cabania'' *†'' Cabestanna'' * '' Caecum'' *†''
Caesia ''Caesia'' is a genus of herbs in the family Asphodelaceae, subfamily Hemerocallidoideae,Stevens, P.F. (2001 onwards)"Hemerocallidoideae" ''Angiosperm Phylogeny Website''. Retrieved 2016-06-10. native to Australia, New Guinea, Madagascar and Sou ...
'' *†'' Calaurops'' *†'' Calcarata'' *†''
Calcitrapessa ''Calcitrapessa'' is a genus of predatory sea snails, marine gastropod mollusks in the subfamily Ocenebrinae of the family Muricidae Muricidae is a large and varied taxonomic family of small to large predatory sea snails, marine gastropod mo ...
'' *†'' Calicantharus'' *†'' Caliendrum'' *†'' Callianax'' *†'' Calliobasis'' *†''
Calliomphalus ''Calliomphalus'' is an extinct genus of sea snails in the family Eucyclidae Eucyclidae is a family of gastropods in the superfamily Seguenzioidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). This family has no ...
'' * '' Calliostoma'' *†'' Calliotectum'' *†''
Calliotropis ''Calliotropis'' is a genus of sea snails, marine gastropod mollusks in the family Eucyclidae. Taxonomy According to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005) the genus ''Calliotropis'' is placed in the subfamily Calliot ...
'' *†'' Calliovarica'' *†'' Callispira'' *†'' Callistadia'' *†''
Callistele ''Callistele'' is a genus of sea snails, marine gastropod mollusks in the family Trochidae The Trochidae, common name top-snails or top-shells, are a family of various sized sea snails, marine gastropod molluscs in the subclass Vetigas ...
'' *†''
Callistocypraea ''Callistocypraea'' is a genus of sea snails, marine gastropod mollusks in the family Cypraeidae Cypraeidae, commonly named the cowries ( cowry), is a taxonomic family of small to large sea snails. These are marine gastropod mollusks in the s ...
'' *†'' Callitomaria'' *†'' Callolongchaeus'' *†'' Callopoma'' *†'' Callotrochus'' *†'' Callusaria'' *†'' Calodisculus'' *†'' Calophos'' *†'' Calorebama'' * '' Calotrophon'' *†'' Calpurna'' *†''
Calthalotia ''Calthalotia'' is an Australian genus of sea snails, marine gastropod molluscs in the family Trochidae, the top shells. Species Species with names in current use within the genus ''Calthalotia'' include: * '' Calthalotia arruensis'' (Watson, 18 ...
'' *†'' Calvadosiella'' *†'' Calverturris'' * '' Calyptraea'' *†'' Calyptraphorus'' *†'' Calyptroides'' *†'' Calyptropsis'' *†'' Camarnia'' *†'' Cambodgia'' *†''
Campanelle Campanelle (Italian for "bellflowers" or "little bells"), is a type of pasta which is shaped like a cone with a ruffled edge, or a bell-like flower. It is also sometimes referred to as gigli. It is intended to be served with a thick sauce, or in ...
'' *†''
Campanile A bell tower is a tower that contains one or more bells, or that is designed to hold bells even if it has none. Such a tower commonly serves as part of a Christian church, and will contain church bells, but there are also many secular bell tower ...
'' *†'' Campanilopa'' *†'' Campbellospira'' *†'' Campichia'' *†'' Camponaxis'' *†'' Camponeila'' *†'' Camposcala'' *†'' Camptoceratops'' *†'' Campylacrum'' *†'' Canaliscala'' *''Canarium'' (synonym of '' Strombus'' (Canarium) ) *†'' Cancellaria'' *†'' Cancellariella'' *†'' Cancelrana'' *†'' Cancilla'' *†'' Candinia'' *†''
Canepina Canepina is a ''comune'' (municipality) in the Province of Viterbo in the Italian region Latium, located about northwest of Rome and about southeast of Viterbo Viterbo (; Viterbese: ; lat-med, Viterbium) is a city and ''comune'' in the Lazi ...
'' *'' Cantharidella'' * ''
Cantharidus ''Cantharidus'', common name the kelp shells, is a genus of sea snails, marine gastropod molluscs of the family Trochidae, the top shells.Rosenberg, G.; Bouchet, P. (2013). Cantharidus Montfort, 1810. Accessed through: World Register of Marine ...
'' *†'' Cantharulus'' * '' Cantharus'' *†''
Cantrainea ''Cantrainea'' is a genus of sea snails, marine gastropod mollusks in the family Colloniidae. Species Species within the genus ''Cantrainea'' include: * '' Cantrainea alfi'' S.-I Huang, I-F. Fu & Poppe, 2016 * '' Cantrainea boswellae'' (Barnard, ...
'' *†'' Capulacmaea'' *†'' Capulus'' *†'' Carboninia'' *†'' Cardinalia'' *†''
Careliopsis ''Careliopsis'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Bouchet, P.; Gofas, S. (2011). ''Careliopsis'' Mörch, 1875. Accessed through: World Register of Marine Species The ...
'' *†'' Caribiella'' *†'' Caricella'' *†'' Carinacca'' *''
Carinaria ''Carinaria'' is a genus of medium-sized floating sea snails, pelagic gastropod molluscs in the family Carinariidae. Anatomy The cylindrical and elongate body consists of three parts : a short proboscis, a well-developed trunk and tail region ...
'' *†'' Carinaropsis'' *†''
Carinator ''Carinator'' is a monotypic genus of sea snails, marine gastropod mollusks in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.WoRMS (2012). ''Carinator'' Ikebe, 1942. Accessed thr ...
'' *†''
Carinodrillia ''Carinodrillia'' is a genus of sea snails, marine gastropod mollusks in the family Pseudomelatomidae Pseudomelatomidae is a family of predatory sea snails, marine gastropods included in the superfamily Conoidea (previously Conacea) and part ...
'' *†'' Carinomphalus'' *†'' Carinotropsis'' *†'' Carota'' *†'' Caseyella'' *†'' Casimiria'' * ''
Casmaria ''Casmaria'', is a genus of medium-sized sea snails, marine gastropod molluscs in the subfamily Phaliinae of the family Cassidae The Cassidae are a taxonomic family of medium-sized, large, and sometimes very large sea snails commonly cal ...
'' *†'' Cassianastraea'' *†'' Cassianaxis'' *†'' Cassianebala'' *†'' Cassianilda'' *†'' Cassianocirrus'' *†'' Cassianozyga'' *†'' Cassidaria'' *†'' Cassiope'' *†'' Cassiopella'' *†'' Cassipelia'' * '' Cassis'' *†'' Catantostoma'' *†'' Cataschisma'' *†'' Catazona'' *†'' Catazone'' *†'' Catenoscala'' *†'' Catenotoma'' *†'' Catilon'' *†'' Caucasella'' *†'' Cautotriphora'' *†''
Caveola In biology, caveolae (Latin for "little caves"; singular, caveola), which are a special type of lipid raft, are small (50–100 nanometer) invaginations of the plasma membrane in the cells of many vertebrates. They are the most abundant surface fea ...
'' *†'' Cavernisa'' *†'' Cavilabium'' *†'' Caviumbonia'' * '' Cavolina'' *†'' Celatoconus'' * ''
Cellana ''Cellana'' is a genus of sea snails or limpets, marine gastropod molluscs in the family Nacellidae, the true limpets.WoRMS (2010). Cellana H. Adams, 1869. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Acc ...
'' *†'' Cenomanella'' *†'' Centrifuga'' *†'' Centrifugus'' *†'' Cepatia'' *†''
Ceratia ''Ceratia'' is a genus of sea snails, marine gastropod mollusks the family Iravadiidae Iravadiidae is a family of minute sea snails, marine gastropod molluscs in the superfamily Truncatelloidea and the clade Littorinimorpha Littori ...
'' *†'' Ceratopea'' *†'' Ceratostoma'' *†'' Ceraunocochlis'' *†'' Ceritella'' * ''
Cerithidea ''Cerithidea'' is a genus of medium-sized sea snails or mud snails, marine gastropod mollusks in the family Potamididae, the horn snails. MolluscaBase eds. (2020). MolluscaBase. Cerithidea Swainson, 1840. Accessed through: World Register of Marin ...
'' *†'' Cerithideops'' *†''
Cerithideopsilla ''Cerithideopsilla'' is a genus of medium-sized sea snails or mud snails, marine gastropod mollusks in the family Potamididae, the horn snails.Reid, David G. (2013). Cerithideopsilla Thiele, 1929. Accessed through: World Register of Marine Spec ...
'' *†'' Cerithideopsis'' * '' Cerithidium'' *†''
Cerithiella ''Cerithiella'' is a genus of minute sea snails, marine gastropod molluscs in the family Newtoniellidae.Cerithina'' *†'' Cerithinella'' *†'' Cerithioclava'' *†'' Cerithiocyga'' *†'' Cerithioderma'' *†'' Cerithioides'' *†'' Cerithiomorpha'' *†''
Cerithiopsida ''Cerithiopsida'' is a genus of sea snails in the family Newtoniellidae Newtoniellidae is a family of minute sea snails, marine gastropod mollusks or micromollusks in the superfamily Triphoroidea. Bouchet, P. (2011)Newtoniellidae World Registe ...
'' *†'' Cerithiopsidella'' * '' Cerithiopsis'' *†'' Cerithiscala'' * '' Cerithium'' *†'' Cerithopsina'' *†'' Chalarostrepsis'' *†'' Charadreum'' * ''
Charonia ''Charonia'' is a genus of very large sea snail, commonly known as Triton's trumpet or Triton snail. They are marine gastropod mollusks in the monotypic family Charoniidae. Etymology The common name "Triton's trumpet" is derived from the Gree ...
'' *†'' Chartroniella'' *†'' Chasmotheca'' *†''
Chauvetia ''Chauvetia'' is a genus of sea snails, marine gastropod mollusks in the family Buccinidae The Buccinidae are a very large and diverse taxonomic family of large sea snails, often known as whelks or true whelks.Bouchet, P.; Gofas, S. (2010). ...
'' *†'' Chavanicerithium'' *†'' Chedevillia'' * ''
Cheilea ''Cheilea'' is a genus of small limpet-like sea snails, marine gastropod mollusks in the family Hipponicidae, the hoof snails. Species Species within the genus ''Cheilea'' include: * '' Cheilea africana'' Rolán & Fernández-Garcés, 2014 * ...
'' *†'' Cheilospicata'' *†'' Cheilotomona'' *†'' Chelotia'' *†'' Chelyconus'' *†'' Chemnitzia'' *†'' Chepultapecia'' *†'' Chesaclava'' *†'' Chesasyrinx'' *†'' Chesathais'' *†'' Chesatrophon'' *†'' Chevallieria'' * ''
Chicoreus ''Chicoreus'' is a genus of medium- to large-sized predatory sea snails. These are carnivorous marine gastropod molluscs in the family Muricidae, the murexes or rock snails.Bouchet, P.; Houart, R. (2010). Chicoreus Montfort, 1810. In: Bouche ...
'' *†'' Chileutomia'' *†'' Chilocyclus'' *†''
Chilodonta ''Chilodonta'' is a genus of sea snails, marine gastropod mollusks in the family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or ...
'' *†'' Chilodontoidea'' *†'' Chingua'' *†''
Chippewaella ''Chippewaella patellitheca'' is a stem- gastropod mollusc from Furongian-aged strata of Late Cambrian Wisconsin. According to Peter J. Wagner, it is the most basal gastropod. Morphology ''C. patellitheca'' is known from broad, low, cap-sha ...
'' *†'' Chiralithes'' *†'' Chiraluta'' *†'' Chlathrus'' * ''
Chlorostoma ''Chlorostoma'' is a genus of sea snails, marine gastropod mollusks in the family Tegulidae.Bouchet, P. (2013). Chlorostoma Swainson, 1840. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdeta ...
'' *†'' Chlupacispira'' *†'' Chondrocerithium'' *†''
Chorus Chorus may refer to: Music * Chorus (song) or refrain, line or lines that are repeated in music or in verse * Chorus effect, the perception of similar sounds from multiple sources as a single, richer sound * Chorus form, song in which all verse ...
'' *†'' Christitys'' *†''
Chrysallida ''Chrysallida'' is a speciose genus of minute sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.Spencer, H.; Marshall. B. (2009). All Mollusca except Opisthobranchia. In: G ...
'' *†'' Chrysame'' *†'' Chrysostoma'' *†'' Cibecuia'' *†''
Cidarina ''Cidarina'' is a genus of sea snails, marine gastropod mollusks in the family Eucyclidae Eucyclidae is a family of gastropods in the superfamily Seguenzioidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). This fam ...
'' *†'' Cigelirina'' *†'' Cilara'' *†'' Cimoliocentrum'' *†'' Cimolithium'' *†'' Cinclidonema'' *†'' Cinctiscala'' * ''
Cingula ''Cingula'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae. Species Species within the genus ''Cingula'' include: * '' Cingula aequa'' (E. A. Smith, 1890) * '' Cingula agapeta'' (E. A. Smith, ...
'' *'' Cingulina'' *†'' Cinguliturris'' *†'' Cinulia'' *†'' Circulopsis'' *†'' Circuloscala'' *†'' Circulus'' *†'' Cirillia'' *†'' Cirrus'' *†'' Cirsocerithium'' *†'' Cirsochilus'' *†'' Cirsomphalus'' *''
Cirsonella ''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails& ...
'' *†'' Cirsope'' *†'' Cirsostylus'' *''
Cirsotrema ''Cirsostrema'' is a genus of very small deepwater sea snails, marine gastropod mollusks in the family Epitoniidae, commonly known as the '' wentletraps''.Bouchet, P.; Gofas, S. (2010). Cirsotrema Mörch, 1852. Accessed through: World Register of ...
'' * ''
Cittarium ''Cittarium'' is a genus of a sea snails, a marine gastropod mollusk in the family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). Th ...
'' *†'' Claibornia'' *†'' Clanculopsis'' * ''
Clanculus ''Clanculus'' is a genus of sea snail, marine gastropod molluscs of the family Trochidae, the top shells.Bouchet, P.; Gofas, S. (2010). Clanculus Montfort, 1810. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. ...
'' *†'' Clathrobaculus'' * ''
Clathrodrillia ''Clathrodrillia'' is a genus of sea snails, marine gastropod mollusks in the family (biology), family Drilliidae.Bouchet, P. (2014). Clathrodrillia Dall, 1918. Accessed through: World Register of Marine Species at http://www.marinespecies.org/ap ...
'' * ''
Clathromangelia ''Clathromangelia'' is a genus of sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Raphitomidae . The species in this genus lack a radula. Species Species within the genus ''Clathromangelia'' include: * ''Cl ...
'' *†'' Clathronema'' *†'' Clathroscala'' *†'' Clathrospira'' *†'' Clathrus'' *†''
Clathurella ''Clathurella'' is a genus of sea snails, marine gastropod mollusks in the family Clathurellidae. Description The shell is fusiform or turriculated. The columella lip has no callosity, except a small posterior tooth. There is no operculum. Th ...
'' *†'' Clava'' *†''
Clavatula ''Clavatula'' is a genus of sea snails, marine gastropod mollusks in the family Clavatulidae. Description In this genus, the shell is fusiform, with a well-produced spire. The whorls are coronated with tubercles or short spines at the suture;. T ...
'' *†'' Clavellofusus'' *†'' Clavidrupa'' *†''
Clavilithes ''Clavilithes'' is an extinct genus of fossil sea snails, marine gastropod mollusks in the family Fasciolariidae, the tulip snails and spindle snails. This genus lived from the Paleocene to Pliocene, in Africa, Asia, Europe, North America, and ...
'' *†'' Claviscala'' *†'' Clavocerithium'' *†'' Clavstoma'' *†'' Clavus'' *†'' Cleobula'' *†''
Cleotrivia ''Cleotrivia'' is a genus of small sea snails, marine gastropod mollusks in the family Triviidae, the false cowries or trivias. Species Species within the genus ''Cleotrivia'' include: * '' Cleotrivia andreiae'' Fehse & Grego, 2017 * '' Cleotri ...
'' *†'' Clifdenia'' *†'' Climacina'' *†'' Climacopoma'' *†''Clinopegma'' *†''Clinura'' *†''Clinurella'' *†''Clinuropsis'' * ''Clio (genus), Clio'' *†''Clivuloturris'' *†''Closia'' *†''Closteriscus'' *†''Closteroides'' *†''Cloughtonia'' *†''Clypeola (gastropod), Clypeola'' *†''Clypeolum'' *†''Clypeomorus'' *†''Clypidina'' *†''Coalingodea'' *†''Coanollonia'' *†''Coccopigya'' *†''Cocculina'' *†''Cocculinella'' *†''Cochiolepis'' *†''Cochleochilus'' * ''Cochlespira'' *†''Cochlespirella'' *†''Cochlespiropsis'' *†''Cochliconus'' *†''Codinella'' *†''Codonocheilus'' *†''Coelobolma'' *†''Coelocaulus'' *†''Coelocentrus'' *†''Coelochrysalis'' *†''Coelocyclus'' *†''Coelodiscus (mollusc), Coelodiscus'' *†''Coeloscapha'' *†''Coelostylina'' *†''Coelotrochus'' *†''Coelozone'' *†''Coemansia (mollusc), Coemansia'' *†''Colina (genus), Colina'' *†''Collabrina'' *†''Colliculus (genus), Colliculus'' *†''Collina (Araneidae), Collina'' * ''Collisella'' *†''Collonia'' *†''Collonista'' *†''Colostracon'' *†''Colpites'' *†''Colpomphalus'' *†''Colposigma'' *†''Colpospira'' *†''Colpostomia'' * ''Colubraria'' *†''Colubrella'' *†''Colubrellina'' * ''Columbarium (genus), Columbarium'' * ''Columbella'' *†''Columbellaria'' *†''Columbellina'' *†''Columbellisipho'' *†''Columbellopsis'' * ''Colus'' *†''Coluzea'' *†''Colwellia'' *†''Comarmondia'' *†''Cominella'' *†''Cominista'' *†''Cominula'' *†''Comitas'' *†''Commonozonispira'' * ''Compsodrillia'' *†''Compsonema'' *†''Conactaeon'' *''Concholepas'' *†''Conchothyra'' *†''Concinnispira'' *†''Confusiscala'' *†''Conilithes'' *†''Coninoda'' *†''Coniscala'' * ''Conjectura'' *†''Conocerithium'' *†''Conoidacmaea'' *†''Conolithes'' *†''Conominolia'' *†''Conomitra (gastropod), Conomitra'' *†''Conomurex'' *†''Conorbis'' *†''Conorhytis'' *†''Conotoma'' *†''Conotomaria'' *†''Consobrinella'' *†''Contemniscala'' *†''Contortella'' *†''Conuber'' *''Conus'' *†''Cookia'' *†''Cophocara'' *†''Copidocatomus'' *†''Coptochetus'' *†''Coptosipho'' *†''Coptostoma'' *†''Coptostomella'' *†''Coraeophos'' *†''Coralliophila'' *†''Cordieria'' *†''Cordispira'' *†''Coriandria'' *†''Cornulina'' *†''Coronatica'' *†''Coronia'' *†''Coroniopsis'' *†''Coroniscala'' *†''Coronopsis'' *†''Corsania'' *†''Cortinella'' *†''Cosmasyrinx'' *†''Cosmetalepas'' *†''Cosmocerithium'' *†''Cosmolithes'' *†''Cosmophiline'' *†''Cossmannea'' *†''Cossmannia'' *†''Cossmannica'' *†''Costaella'' * ''Costellaria'' *†''Costoanachis'' *†''Costosyrnola'' *†''Cotonopsis'' *†''Cottonia'' *†''Couthouyia'' *†''Cowlitzia'' *†''Craginia'' *†''Cranopsis'' *†''Craspedostoma'' *†''Crassilabrum'' *†''Crassimarginata'' *†''Crassimurex'' *†''Crassiscala'' * ''Crassispira'' *†''Crassispirella'' *†''Crassopleura'' *†''Crawfordina'' *†''Crebriscala'' *†''Cremides'' *†''Crenaturricula'' *†''Crenetocerithium'' *†''Crenilabium'' *†''Crenilunula'' *†''Crenistriella'' *†''Crenisutura'' *†''Creniturbo'' *†''Crenulazone'' *†''Creonella'' *†''Crepidula'' *†''Crepipatella'' *†''Creseis'' *†''Cretaceomurex'' *†''Cribraria'' *†''Crimella'' *†''Crisposcala'' *†''Cristalloella'' *†''Crommium'' *†''Cronia'' *†''Crossata'' *†''Crossea'' *†''Crosseola'' *†''Crossoceras'' *†''Crossostoma'' *†''Crossotrema'' * ''Crucibulum'' *†''Cruziturricula'' *†''Cryoturris'' *†''Cryptaulax (gastropod), Cryptaulax'' *†''Cryptoborsonia'' *†''Cryptobranchia'' *†''Cryptochorda'' *†''Cryptoconus'' *†''Cryptocordieria'' *†''Cryptomella'' *†''Cryptonatica'' *†''Cryptonerita'' *†''Cryptoplocus'' *†''Cryptoptyxis'' *†''Cryptorhytis'' *†''Cryptospira'' *†''Ctenilyria'' *†''Ctenocolpus'' *†''Cubestana'' *†''Culmia'' *†''Cupaniella'' *†''Cuphosolenus'' *†''Cuphotifer'' *†''Cupidoliva'' *†''Curetia'' *†''Cuvierina'' *†''Cyclites'' *†''Cyclobathmus'' *†''Cyclodostomia'' *†''Cyclomolops'' *†''Cyclonema'' *†''Cyclope'' *†''Cycloscala'' *†''Cycloscena'' *†''Cyclospongia'' *†''Cyclostomaria'' *†''Cyclostrema'' *†''Cyclostremela'' * ''Cyclostremiscus'' *†''Cyclostromella'' *†''Cyclotheca'' *†''Cyclothyca'' *†''Cycloturbo'' *†''Cyclozyga'' *''Cylichna'' *†''Cylichnania'' *†''Cylichnatys'' * ''Cylichnella'' *†''Cylichnina'' *†''Cylichnopsis'' *†''Cylicioscapha'' *†''Cylinder (genus), Cylinder'' *†''Cylindriscala'' *†''Cylindritella'' *†''Cylindrites'' *†''Cylindritopsis'' *†''Cylindrobullina'' *†''Cylindromitra'' *†''Cylindrotruncatum'' *†''Cyllene (genus), Cyllene'' *†''Cyllenina'' *†''Cymakra'' *†''Cymatiella'' * ''Cymatium (genus), Cymatium'' *†''Cymatophos'' *†''Cymatospira'' *†''Cymatosyrinx'' * ''Cymbiola'' *†''Cymbium (gastropod), Cymbium'' *†''Cymbularia'' *†''Cymenorhytis'' *†''Cymia'' *†''Cynisca (genus), Cynisca'' *†''Cyniscella'' * ''Cyphoma'' *†''Cyphonochelus'' * ''Cypraea'' * ''Cypraecassis'' *†''Cypraedia'' *†''Cypraeerato'' *†''Cypraeogemmula'' *†''Cypraeopsis'' *†''Cypraeorbis'' *†''Cypraeotrivia'' *†''Cyproglobina'' *†''Cypropterina'' *†''Cyrbasia'' *†''Cyrtochetus'' *†''Cyrtospira'' *†''Cyrtostropha'' *†''Cyrtulotibia'' *†''Cythara (genus), Cythara'' *†''Cytharella''


D

*†''Dactylidella'' *†''Dactylidia'' *†''Daidia'' *†''Dalliella'' *†''Dallitesta'' *†''Damesia'' * ''Daphnella'' *†''Daphnobela'' *†''Darbya'' *†''Dardanula'' *†''Daronia'' *†''Dasyostoma'' *†''Decorospira'' *†''Deianira (genus), Deianira'' *†''Delphinulopsis'' *†''Dembabaspira'' *†''Demoulia'' *†''Denayella'' *†''Dendroconus'' *†''Dennantia'' *†''Dentallopoma'' * ''Dentimargo'' *†''Dentiscala'' *†''Dentistyla'' *†''Dentiterebra'' *†''Dentrimitra'' * ''Depressiscala'' * ''Dermomurex'' *†''Derstolida'' *†''Dertonia'' *†''Desertospira'' *†''Deshayesia'' *†''Deslongchampsia'' *†''Desorinassa'' *†''Deussenia'' *†''Devonozyga'' *†''Diacria (gastropod), Diacria'' *†''Diaerecallus'' * ''Diala'' *†''Dialopsis'' *†''Dialytostoma'' *†''Diameza'' * ''Diaphana'' *†''Diarthema'' * ''Diastoma'' *†''Diastomella'' *†''Diatinostoma'' *†''Diatrypesis'' *†''Dibaphimitra'' *†''Dibaphus'' *†''Dicellonema'' *†''Dichostasia'' *†''Dickinsiella'' *†''Diconomorpha'' *†''Dicosmos'' *†''Dicroloma'' *†''Dictyobembix'' *†''Dictyotomaria'' *†''Didianema'' *†''Diempterus'' *†''Dientomochilus'' *†''Dietrichiella'' *†''Digitolabrum'' *†''Dihelice'' *†''Dilatilabrum'' * ''Diloma'' *†''Diminovula'' *†''Dimorphotectus'' *†''Dinaxis'' * ''Diodora'' *†''Diplochilus'' *†''Diploconula'' *†''Diplocyma'' *†''Diplomeriza'' *†''Diplomitra'' *†''Diplozone'' *†''Diptychochilus'' *†''Diptyxiella'' *†''Dirachis'' *†''Dircella'' *†''Dirhachopea'' *†''Dirocerithium'' *†''Discobasis'' *†''Discocirris'' *†''Discogenus'' *†''Discogonius'' *†''Discohelix'' *†''Discopsis'' *†''Discordichilus'' *†''Discoscala'' *†''Discotectonica'' *†''Discotectus'' *†''Discotheca'' *†''Discotoma'' *†''Discotomaria'' *†''Discotropis'' *†''Disculus'' *†''Disoketa'' *†''Dispotaea'' *†''Dissochilus'' * ''Distorsio'' *†''Ditretus'' *†''Dizoniopsis'' *†''Docomphala'' *†''Doellocosmia'' * ''Dolabella (genus), Dolabella'' *†''Dolicholatirus'' *†''Dolichupis'' *†''Dolicrassea'' *†''Doliella'' *†''Doliocassis'' *†''Dolomena'' *†''Dolomitella'' *†''Dolostoma'' *†''Domerginella'' *†''Donaldiella'' *†''Donaldina (gastropod), Donaldina'' *†''Dongiovannia'' *†''Dorsanum'' *†''Dorsina'' *†''Dostia'' *†''Douvilleia'' *†''Douvilletoma'' *†''Doxander'' *†''Drepanocheilus'' *†''Drepanoconcho'' * ''Drillia'' *†''Drilliola'' *†''Drilluta'' *†''Druidwilsonia'' * ''Drupa (genus), Drupa'' *†''Dumasella'' *†''Dunkeria'' * ''Duplicaria (gastropod), Duplicaria'' *†''Dutrochus'' *†''Dyeria''


E

* ''Eatoniella'' *†''Ebala'' *†''Eburna'' *†''Eburnopsis'' *†''Eccliseogyra'' *†''Ecculiomphalus'' *†''Eccyliopterus'' *†''Echinellopsis'' *†''Echinimathilda'' *†''Echininus'' *†''Echinobathra'' *†''Echinocirrus'' *†''Echinofulgur'' *†''Echinophoria'' *†''Echinoturris'' *†''Ecphora'' *†''Ecphorosycon'' *†''Ectinochilus'' *†''Ectomaria'' *†''Edithais'' *†''Egerea'' *†''Egestas'' *†''Egilina'' *†''Eglisia'' *†''Egotistica'' *†''Ehlersina'' *†''Eichwaldiella'' *†''Eirlysia'' *†''Eiselia'' * ''Elachorbis'' *†''Elaeocyma'' *†''Elasmonema'' *†''Elatioriella'' *†''Eleganella'' *†''Elegantiscala'' * ''Elephantanellum'' *†''Eleutherospira'' *†''Eligmoloxus'' *†''Ellatrivia'' *†''Ellicea'' *†''Ellipsoscapha'' *†''Elliptovermetus'' *†''Ellisella'' *†''Elysiacea'' * ''Emarginula'' *†''Emarginulina'' *†''Emersonia'' *†''Enaeta'' *†''Enantiostoma'' *†''Enatimene'' *†''Enclyclomphalus'' *†''Endianaulax'' *†''Endiaplocus'' *†''Endiataenia'' *†''Endiatoma'' *†''Endiatrachelus'' *†''Endopachychilus'' *†''Endoptygma'' * ''Engina'' * ''Engoniophos'' *†''Enida'' *†''Entacanthus'' * ''Entemnotrochus'' *†''Entomella'' *†''Entomope'' *†''Eoacteon'' *†''Eoatlanta'' *†''Eobucania'' *†''Eocalliostoma'' *†''Eocerithium'' *†''Eocernina'' *†''Eocithara'' *†''Eoclathurella'' *†''Eocymatium'' *†''Eocypraea'' *†''Eocythara'' *†''Eodrilla'' *†''Eoharpa'' *†''Eoliotina'' *†''Eomathilda'' *†''Eopleurotoma'' *†''Eoptychia'' *†''Eoranella'' *†''Eosinica'' *†''Eosipho'' *†''Eosiphonalia'' *†''Eosolariella'' *†''Eosolarium'' *†''Eosurcula'' *†''Eothesbia'' *†''Eotomaria'' *†''Eotrivia'' *†''Eotrochactaeon'' *†''Eotrochus'' *†''Eoturris'' *†''Eotympanotonus'' *†''Eovasum'' *†''Eovolutilithes'' *†''Eovolva'' *†''Eoxancus'' *†''Epalxis'' *†''Epetrium'' *†''Epheria'' *†''Epideira'' *†''Epidirella'' *†''Epidirona'' *†''Epifaxis'' *†''Epiptychia'' *†''Episcynia'' *''Epitonium'' *†''Epulotrochus'' * ''Erato (mollusc genus), Erato'' * ''Eratoidea'' *†''Eratopsis'' *†''Eratotrivia'' *†''Erginus (genus), Erginus'' *†''Ericusa'' *†''Eripachya'' *†''Eriptycha'' * ''Erosaria'' *†''Erronea'' *†''Erymarella'' *†''Escoffieria'' *†''Estea'' *†''Ethalia'' *†''Etrema'' *†''Etremopsis'' *†''Euactaeonina'' *†''Eubela'' *†''Eucheilodon'' * ''Euchelus'' *†''Euchilotheca'' *†''Euchrysalis'' *†''Euclathurella'' *†''Euclia'' *†''Eucochlis'' *†''Eucominia'' *†''Euconactaeon'' *†''Euconia'' *†''Euconospira'' *†''Eucycloidea'' *†''Eucyclomphalus'' *†''Eucycloscala'' *†''Eucyclus'' *†''Eucymba'' *†''Eucypraedia'' * ''Eudolium'' *†''Eugabrielona'' * ''Eulima'' * ''Eulimastoma'' *†''Eulimella'' *†''Eulimene (genus), Eulimene'' *†''Eumetadrillia'' *†''Eumetula'' *†''Eumitra'' *†''Eunaticina'' *†''Eunema'' *†''Eunemopsis'' *†''Euninella'' *†''Euomphalopsis'' *†''Euomphalopterus'' *†''Euomphalus'' * ''Euparthenia'' *†''Euphemitella'' *†''Euphemites'' *†''Euphemitopsis'' *†''Euphyllon'' * ''Eupleura'' *†''Euplica'' *†''Euprotomus'' *†''Euriclanculus'' *†''Eurissolina'' *†''Euryalox'' *†''Eurydike (genus), Eurydike'' *†''Euryentmema'' *†''Euryentome'' *†''Euryochetus'' *†''Eurypyrene'' *†''Eurytorus'' *†''Euryzone'' *†''Euscobinella'' *†''Euseila'' * ''Euspira'' *†''Euspirocrommium'' *†''Eustoma (mollusc), Eustoma'' *†''Eustomia'' *†''Eustrombus'' *†''Euthria'' *†''Euthriofusus'' *†''Euthymella'' *†''Euthyrachis'' *†''Euthystylus'' *†''Eutinochilus'' *†''Euzone'' *†''Evalea'' *†''Evarnula'' *†''Evelynella'' *†''Ewekoroia'' *†''Ewekorolaxis'' *†''Exechestoma'' *†''Exechocirsus'' *†''Exilia (genus), Exilia'' *†''Exilifusus'' *†''Exiloidea'' *†''Exlessia'' *†''Exomiliopsis'' *†''Extendilabrum'' *†''Eymarella''


F

*†''Fadaiella'' *†''Faloriella'' *†''Falsicolus'' *†''Falsifusus'' *†''Falsostyliola'' *†''Falsostyliola'' *†''Faluniella'' * ''Fartulum'' * ''Fasciolaria'' *†''Fascioplex'' *†''Fascivelvata'' *†''Fastigiella'' *''Fautor'' * ''Favartia'' *†''Favria (genus), Favria'' *†''Favriella'' *†''Fax (genus), Fax'' *†''Faxxia'' *†''Feneoniana'' *†''Fenestrosyrinx'' *†''Fenolignum'' *†''Fibula (genus), Fibula'' *†''Fibulella'' *†''Fibuloptygmatis'' *†''Fibuloptyxis'' *†''Ficopsis'' *†''Fictoacteon'' *†''Fictonoba'' *†''Ficulomorpha'' *†''Ficulopsis'' * ''Ficus (mollusk), Ficus'' *†''Filodrilla'' *†''Fimbriatella'' *†''Finlayola'' *†''Fischeriella'' * ''Fissurella'' *†''Fissurellidea'' *†''Fissurisepta'' *†''Flacilla'' *†''Flemmingia'' *†''Fletcherviewia'' *†''Flexopteron'' *†''Floribella (genus), Floribella'' *†''Floripatella'' *†''Floyda'' *†''Folina'' *†''Foratiscala'' * ''Forreria'' *†''Forsia'' *†''Forskaelena'' *†''Fossacypraea'' *†''Fossariopsis'' * ''Fossarius'' *†''Fossatrivia'' *†''Fredenia'' *†''Friginatica'' *†''Frombachia'' *†''Fujispira'' *†''Fulgerca'' * ''Fulgoraria'' *†''Fulguroficus'' *†''Fulgurofusus'' *†''Funis (genus), Funis'' * ''Funiscala'' *†''Fuscibuccinum'' *†''Fuscoscala'' *†''Fusiaphera'' *†''Fusiguraleus'' *†''Fusimilis'' *†''Fusimitra'' * ''Fusinus'' *†''Fusiptyxis'' *†''Fusispira'' *†''Fusitoma'' * ''Fusitriton'' *†''Fusitron'' *†''Fusiturricula'' *†''Fusiturris'' *†''Fusoficula'' *†''Fusoidella'' *†''Fusoterebra'' *†''Fusus'' *†''Futhystylus'' *†''Fyfea''


G

*†''Gabrielona'' *†''Galeodaria'' *†''Galeodea (mollusc), Galeodea'' *†''Galeodina'' *†''Galeodinopsis'' *†''Galeoocorys'' *†''Galericulus'' *†''Galeropsis'' *†''Gamizyga'' *†''Gammadiscus'' *†''Gamopleura'' *†''Ganesa (gastropod), Ganesa'' *†''Gargania'' *†''Garnotia (gastropod), Garnotia'' *†''Garramites'' *†''Gasconadia'' *†''Gazameda'' *†''Gegania (gastropod), Gegania'' *†''Gelagna'' *†''Gelasinostoma'' *†''Gemaspira'' *†''Gemmaterebra'' *†''Gemmellaroia'' *†''Gemmoliva'' *†''Gemmula'' *†''Gemmuloborsonia'' *†''Genkaimurex'' *†''Genota'' *†''Geolcomia'' *†''Georgia (mollusc), Georgia'' *†''Gergovia (genus), Gergovia'' * ''Gibberula'' *†''Gibberulina'' *†''Gibberulus'' * ''Gibbula'' *†''Gigantocapulus'' *†''Gigantocypraea'' *†''Gigantogonia'' *†''Gilbertina'' *†''Gilbertturricula'' *†''Ginebis'' *†''Girtyspira'' *†''Girvania'' *†''Gisortia'' *†''Gispyrella'' *†''Glabella (genus), Glabella'' *†''Glabrocingulum'' *†''Glaphyrina'' *†''Glauconia (mollusc), Glauconia'' *†''Glauconiella'' *†''Globiconcha'' *†''Globiomorpha'' *†''Globisinum'' *†''Globodrillia'' *†''Globonema'' *†''Globozygia'' *†''Globularia (mollusc), Globularia'' *†''Globulocerithium'' *†''Glosia'' *†''Glossaulax'' *†''Glyphodeta'' *†''Glyphostoma'' *†''Glyphoturris'' *†''Glyptochrysalis'' *†''Glyptomaria'' *†''Glyptospira'' *†''Glyptostyla'' *†''Glyptotoma'' *†''Glyptozaria'' *†''Gomphopages'' *†''Goniasma'' *†''Goniatogyra'' *†''Goniocheila'' *†''Gonioconcha'' *†''Goniocylichna'' *†''Goniocylindrites'' *†''Goniodostomia'' *†''Goniogyra'' *†''Gonioptyxis'' *†''Goniospira'' *†''Gonysycon'' *†''Gonzagia'' *†''Gosavia'' *†''Gosseletina'' *†''Gothicispira'' *†''Gouetina'' *†''Gougerotia'' *†''Gourmya'' *†''Graciliala'' *†''Gracilipurpura'' *†''Gracilispira'' *†''Gradiella'' *†''Grandostoma'' *†''Granosolarium'' *†''Grantlandispira'' *†''Granula (genus), Granula'' * ''Granulina'' *†''Granulittorina'' *†''Granulolabium'' *†''Graphidula'' *†''Graphiocomassa'' *†''Graphis (gastropod), Graphis'' *†''Gregorioiscala'' *†''Groomodiscus'' *†''Guelphinacella'' *†''Guidonia (genus), Guidonia'' *†''Guildfordia'' *†''Guizhouia'' *†''Guizospira'' *†''Gumina'' *†''Guraleus'' *†''Gutturnium'' *†''Gymnarus'' *†''Gymnentome'' *†''Gymnocerithium'' *†''Gyrineum'' *†''Gyrodes'' *†''Gyrodoma'' *†''Gyroma'' *†''Gyronema'' * ''Gyroscala'' *†''Gyrospira'' *†''Gyrotropis''


H

*†''Hacobjania'' *†''Hadriania (gastropod), Hadriania'' *†''Hahazimania'' *†''Halia (genus), Halia'' *†''Haliotiomorpha'' * ''Haliotis'' *†''Haliphoebus'' * ''Halistylus'' *†''Halloysia'' *†''Hallstadtia'' *†''Haloginella'' * ''Haminoea'' *†''Hamlinia'' *†''Hammatospira'' *†''Hamptoniella'' *†''Hamusina'' *†''Hanaibursa'' *†''Hanaispira'' *†''Hanetia'' *†''Hapalorbis'' *†''Haplocochlias'' *†''Haploptyxis'' *†''Haplospira'' *†''Haplovoluta'' *†''Harfordia (mollusc), Harfordia'' *†''Harmatia'' *†''Harmeria'' * ''Harpa (genus), Harpa'' *†''Harpago'' *†''Harpagodes'' *†''Harpella (gastropod), Harpella'' *†''Harpula'' *†''Harrisianella'' *†''Hartungia'' * ''Hastula'' *†''Haurakia'' *†''Haustator'' * ''Haustellum'' *†''Hautura'' *†''Hayamiella'' *†''Haydenia'' *†''Hebeseila'' *†''Hebra (genus), Hebra'' *†''Heida (genus), Heida'' *†''Heilprinia'' * ''Helcion'' * ''Heliacus'' *†''Helicacanthus'' *†''Helicaulax'' *†''Helicocryptus'' *†''Helicospira'' *†''Helicotoma'' *†''Heligmope'' *†''Heligmostylus'' *†''Heligmotenia'' *†''Heligmotoma'' *†''Helminthozyga'' *†''Hemiacirsa'' *†''Hemicerithium'' *†''Hemichenopus'' *†''Hemiconus'' *†''Hemifusus'' *†''Hemipleurotoma'' *†''Hemiplicatula'' *†''Hemisurcula'' * ''Hemitoma'' *†''Hemizyga'' *†''Heniastoma'' *†''Hennocquia'' *†''Hercorhynchus'' *†''Hermania'' *†''Herminespina'' *''Herpetopoma'' * ''Hespererato'' *†''Hesperiella'' *†''Hesperiturris'' *†''Hesperocirrus'' *†''Heterocerithiopsis'' *†''Heterocithara'' *†''Heterogyrella'' *†''Heteronodosus'' *†''Heteroptygmatis'' *†''Heterospira'' *†''Heterotrema'' *†''Hexachorda'' *†''Hexaglauconia'' * ''Hexaplex'' *†''Hilda (genus), Hilda'' *†''Hillites'' *†''Hima (genus), Hima'' *†''Himantonia'' *†''Hinia'' *†''Hippocampoides'' *†''Hippochrene'' *''Hipponix'' *†''Hiromurex'' *†''Hirotyphis'' *†''Hirsonella'' *†''Hirtoscala'' *†''Hispanosinuites'' *†''Hispidofusus'' *†''Hiwia'' *†''Hologyra'' *†''Holopea'' *†''Holzapfelia'' * ''Homalopoma'' *†''Hopkinsiana'' *†''Hordeulima'' *†''Horiostomella'' *†''Horizostoma'' *†''Hormotoma'' *†''Hormotomina'' *†''Horologium (genus), Horologium'' *†''Houdasia'' *†''Houzeauia'' *†''Hudlestonella'' *†''Humiliworthenia'' *†''Hungariella'' *†''Hwaania'' *†''Hyala'' * ''Hyalina'' *†''Hyalocylis'' *†''Hyalorisia'' *†''Hyaloscala'' *†''Hybochelus'' *†''Hydrotribulus'' *†''Hyperacanthus (mollusc), Hyperacanthus'' *†''Hypergonia'' *†''Hyphantozyga'' *†''Hypocassis'' *†''Hypodema (mollusc), Hypodema'' *†''Hypselentoma'' *†''Hypsipleura'' *†''Hypterita'' *†''Hystricoceras'' *†''Hystrivasum''


I

*†''Ianthinopsis'' *†''Iddingsia'' *†''Idioraphe'' *†''Ihungia'' *†''Ilanga'' *†''Iljinella'' * ''Illyanassa'' *†''Imbricaria'' *†''Incilaster'' *†''Incisilabium'' *†''Indocerithium'' *†''Indovoluta'' *†''Infracoronia'' *†''Infundibulops'' *†''Inglisella'' *†''Inquisitor (genus), Inquisitor'' *†''Insolentia'' *†''Involuta'' *†''Iolaea'' *†''Iothia'' *†''Iphiana'' *†''Iravadia'' * ''Iredalina'' *''Iredalula'' *†''Isanda'' *†''Ischnoptygma'' * ''Iselica'' *†''Isfarispira'' *†''Ishnula'' *†''Islipia'' *†''Isonema'' *†''Isospira'' *†''Ispharina'' *†''Isselia'' *†''Italoptygmatis'' *†''Ithycythara'' *†''Itia'' *†''Itieria'' *†''Itomelania'' *†''Itruvia'' *†''Ivara'' *†''Ividella''


J

*†''Jaccardiella'' *†''Janacus'' *†''Janiopsis'' * ''Janthina'' *†''Japelion'' *†''Jaton'' *†''Jedria'' *†''Jeffreysina'' * ''Jenneria'' *†''Jetwoodsia'' *†''Jogjacartanus'' *†''Johannaia'' *†''Johnstrupia'' *†''Josepha'' *†''Jousseemea'' * ''Jujubinus'' * ''Julia (genus), Julia'' *†''Jumala (genus), Jumala'' *†''Junghuhnia (mollusc), Junghuhnia'' *†''Jurassiphorus''


K

*†''Kaawatina'' *†''Kahua'' *†''Kaiparapelta'' *†''Kaitangata (genus), Kaitangata'' *†''Kaitoa'' *†''Kangapaya'' *†''Kangilioptera'' *†''Kangxianospira'' *†''Kapua (genus), Kapua'' *†''Katoptychia'' *†''Katosira'' *†''Kaunhowenia'' *†''Kaurnella'' *†''Kawanamia'' *†''Kaweka'' *†''Keeneia'' *†''Keepingia'' *†''Keilostoma'' * ''Kelletia'' *†''Keration'' *†''Kestocenbra'' *†''Khetella'' *†''Khumerspira'' *†''Kiaeromphalus'' *†''Kimina'' *†''Kinishbia'' *†''Kinkaidia'' *†''Kishinewia'' *†''Kittlia'' *†''Kittliconcha'' *†''Kittlidiscidae, Kittlidiscus'' *†''Kittlistylus'' *†''Kittlitrochus'' *†''Kiviasukkaan'' *†''Kjerulfonema'' *†''Kleinacteon'' * ''Knefastia'' *†''Knightella'' *†''Knightites'' *†''Kodymites'' *†''Kokenella'' *†''Kokenospira'' *†''Koniakaua'' *†''Korovinia'' *†''Kotakaia'' *†''Krachia'' *†''Krebsia'' *†''Kuroshioturris'' * ''Kurtziella'' *†''Kyndalyna''


L

*†''Labiostrombus'' *†''Labridens'' *†''Labrocuspis'' *†''Laccinum'' *†''Lachryma'' *†''Lacinia'' *†''Lacriforma'' * ''Lacuna (genus), Lacuna'' *†''Lacunaria (mollusc), Lacunaria'' *†''Lacunella'' *†''Lacunina'' *†''Lacunospira'' *†''Lacurnaria'' *†''Ladinotrochus'' *†''Ladinula'' *†''Laetifautor'' *†''Laevella'' *†''Laevibaculus'' *†''Laevibuccinum'' *†''Laeviconulus'' *†''Laevihastula'' *†''Laevinerinea'' *†''Laeviselica'' *†''Laevistrombus'' *†''Laeviterebrum'' *†''Laevitomaria'' *†''Laevityphis'' *†''Lagunitus'' *†''Laiocochlis'' * ''Lambis'' * ''Lamellaria'' *†''Lamelliphorus'' *†''Lamellospira'' *†''Lampanella'' *†''Lampasopsis'' *†''Lamprodoma'' *†''Lamprodomina'' *†''Lampusia'' *†''Lancedellia'' *†''Lapparia'' *†''Lathyrulus'' *†''Latiala'' * ''Latiaxis'' *†''Latifusus'' *†''Latirolagena'' * ''Latirus'' *†''Latisipho'' *†''Latitaenia'' *†''Laubella'' *†''Lautoconus'' *†''Laxispira'' *†''Leaella'' *†''Lecanospira'' *†''Leiopyrga'' *†''Leiorhinus'' *†''Leiostraca'' *†''Leiotrochus'' *†''Lemintina'' *†''Lemniscolittorina'' *†''Lenitrophon'' *†''Lenticularis'' *†''Lentigo (genus), Lentigo'' * ''Lepeta'' *†''Lepetella'' *†''Lepetopsis'' *†''Lepicythara'' *†''Lepidotrochus'' *†''Leporemax'' *†''Leporicypraea'' *''Lepsiella'' *†''Lepsithais'' *†''Leptadrillia'' *†''Leptegauana'' *†''Leptocolpus'' *†''Leptoconus'' *†''Leptomaria'' *†''Leptomphalus'' *†''Leptomurex'' *†''Leptoptygma'' *†''Leptorima'' *†''Leptoscapha'' *†''Leptosurcula'' *†''Leptothyra'' *†''Leptothyropsis'' *†''Leptozone'' *†''Leptozyga'' *†''Lesperonia'' *†''Lesueurilla'' *†''Leucorhynchia'' * ''Leucosyrinx'' * ''Leucozonia'' *†''Leufroyia'' *†''Levella'' *†''Levenia'' *†''Leviathania'' *†''Levifusus'' *†''Lewinskia'' *†''Lewisiella'' *†''Liaohenia'' *†''Libycerithium'' *†''Lienardia'' *†''Ligatella'' *†''Lilax'' *†''Liljevallospira'' *''Haminoeidae, Liloa'' *''Limacina'' *†''Limneria'' *''Limulatys'' *†''Linatella'' *†''Linemera'' *†''Linglingella'' *†''Liniaxis'' *†''Linopyrga'' *†''Linsleyella'' *†''Liocarenus'' *†''Liocerithium'' *†''Liochlamys'' *†''Liocium'' *†''Lioglyphostoma'' *†''Liomesus'' *†''Liopeplum'' *†''Liospira'' *†''Liotella'' * ''Liotia'' *†''Liotina'' *†''Lippistes'' *†''Liracassis'' *†''Liracraea'' *†''Lirastrombina'' *†''Lirasyrinx'' *†''Liratilia'' *†''Liratomina'' *†''Lirobittium'' *†''Lirocingula'' *†''Lirofusus'' *†''Lironoba'' *†''Lirosoma'' *†''Lirularia'' *†''Lisbonia'' *†''Lischkeia'' *†''Lispodesthes'' *†''Lissapiopsis'' *†''Lissochilus (mollusc), Lissochilus'' *†''Lissomuricopsis'' *†''Lissospira'' * ''Lissotesta'' * ''Lissotestella'' *†''Lithoconus'' *†''Lithophysema'' * ''Lithopoma'' *†''Lithotrochus'' * ''Litiopa'' * ''Littoraria'' * ''Littorina'' *†''Littorinides'' *†''Littorinolacuna'' *†''Littorinopsis'' *†''Littorniscala'' * ''Livonia (genus), Livonia'' *†''Lodanaria'' * ''Lodderena'' *†''Lodderia'' *†''Lomia (genus), Lomia'' *†''Lomirosa'' *†''Longchaeus'' *†''Longicerithium'' *†''Longoconcha'' *†''Longstaffia'' *†''Lophioturris'' *†''Lophocochlias'' *†''Lophonema'' *†''Lophospira'' * ''Lottia'' *†''Lowenstamia'' *†''Loxisonia'' *†''Loxobidens'' *†''Loxonema'' *†''Loxoplocus'' *†''Loxoptyxis'' *†''Loxotaphrus'' * ''Lucapina'' * ''Lucapinella'' *†''Lucerapex'' *†''Lucidestea'' *†''Luciella'' *†''Luciellina'' * ''Lunatia'' * ''Lunatica (genus), Lunatica'' *†''Lunella'' *†''Lunulazona'' *†''Lupira'' *†''Luponovula'' *†''Luria (gastropod), Luria'' *†''Lutema'' *†''Lutima'' *†''Lydiphnis'' *†''Lyncina'' *†''Lyosoma'' *†''Lyria (genus), Lyria'' *†''Lyrianella'' *†''Lyrischapa'' *†''Lyromangelia'' *†''Lyropurpura'' *†''Lyrosurcula'' *†''Lyrotyphis'' *†''Lysiogyrus'' *†''Lysis (genus), Lysis'' *†''Lytospira''


M

*†''Macilentos'' *†''Macluritella'' *†''Maclurites'' * ''Macrocypraea'' *†''Macrodostomia'' *†''Macromphalus'' * ''Macron (genus), Macron'' *†''Macroniscus'' *†''Macrosinus'' *†''Macrozafra'' *†''Macrurella'' *†''Madiella'' * ''Magilus'' *†''Magnatica'' *†''Magnicapulus'' *†''Makiyamaia'' *†''Malayaspira'' * ''Malea (mollusc), Malea'' *†''Malluvium'' *†''Mambrinia'' *†''Mamiconus'' *†''Mammilla (genus), Mammilla'' *†''Manawatawhia'' *†''Mancorus'' *†''Mandolina'' * ''Mangelia'' *†''Mangiliella'' *†''Manzanospira'' *†''Manzonia'' *''Maoricolpus'' *†''Maoricrypta'' *†''Maoriscaphander'' *†''Maoritomella'' *†''Maorivetia'' *†''Marbodeia'' * ''Marevalvata'' *''Margarella'' *†''Margaritella'' * ''Margarites'' * ''Marginella'' *†''Margineulima'' *†''Mariacassia'' *†''Mariacolpus'' *†''Mariadrillia'' *†''Mariafusus'' *†''Marianarona'' *†''Mariasalpinx'' *†''Mariasveltia'' *†''Mariaturricula'' *†''Marinauris'' *†''Mariothia'' *†''Mariottia'' *†''Marmarostoma'' *†''Marmolatella'' *†''Marshallaria'' *†''Marshallena'' *†''Marsupina'' *†''Marticia'' *†''Marwickara'' *†''Massyla'' *†''Mastigospira'' *†''Mataxa'' *''Mathilda (mollusc), Mathilda'' *†''Mathurifusus'' *†''Maudrillia'' *†''Mauithoe'' *†''Maurea'' *†''Mauria (mollusc), Mauria'' *†''Mauritia (mollusc), Mauritia'' *†''Mauryna'' *†''Maussenetia'' * ''Maxwellia (gastropod), Maxwellia'' *†''Mayeria'' *†''Mazzalina'' *†''Meandrella'' *†''Mecoliotia'' *†''Mediargo'' *†''Medionapus'' *†''Medoriopsis'' *†''Meekospira'' *†''Megalatractus'' *†''Megalocypraea'' *†''Megalomphala'' *†''Megalomphalus'' *†''Megalonoda'' *†''Megastomia'' *†''Megasurcula'' *†''Megatebennus'' * ''Megathura'' *†''Megistostoma'' * ''Meioceras'' *†''Melagraphia'' *''Melanatria'' * ''Melanella'' *†''Melanioptyxis'' *†''Melapium'' *†''Melaraphe'' *†''Melatoma'' *†''Mellarium'' *†''Mellevillia'' *''Melongena'' *†''Menestho'' *†''Mennessieria'' *†''Menthafonia'' *†''Merelina'' *†''Merica'' *†''Mericella'' *†''Merriamites'' *†''Mesalia'' *†''Mesochilotoma'' *†''Mesocoelia'' *†''Mesogena'' *†''Mesoglauconia'' *†''Mesohalina'' *†''Mesoneritina'' *†''Mesorhytis'' *†''Mesospira'' *†''Mesotrochactaeon'' *†''Mesovalvata'' *†''Metacerithium'' *†''Metaconulus'' *†''Metamelon'' * ''Metaxia'' *†''Metoptoma'' *†''Metorthonema'' *†''Metriomphalus'' *†''Metula (genus), Metula'' *†''Metulella'' *†''Mexicotrochaetaeon'' *†''Micantapex'' *†''Michaletia'' *†''Michela'' *†''Michelia (mollusc), Michelia'' *†''Micheliopsis'' *†''Micraclathurella'' *†''Micranellium'' *''Micrelenchus'' *†''Micrentoma'' *†''Micreschara'' *†''Microcheilus'' *†''Microdoma'' *†''Microdrillia'' *†''Microfulgur'' *†''Microfusus'' *†''Microgaza'' *†''Microlacuna'' *†''Microliotia'' *†''Micromphalina'' *†''Micromphalus'' *†''Microptychis'' *†''Microrhytis'' *†''Microschiza'' *†''Microstelma'' *†''Microsurcula'' *†''Microtaphrus'' *†''Microthyca'' *†''Microvoluta'' *†''Mikadotrochus'' *†''Milda (genus), Milda'' *†''Millepes'' *†''Millosevichia'' *†''Minolia'' *†''Minutiscala'' *†''Mioawateria'' *†''Miocenebra'' *†''Miofractarmilla'' *†''Miolyncina'' *†''Miomelon'' *†''Miopila'' *†''Miopleiona'' *†''Mirachelus'' *†''Miraclathurella'' *†''Miralda'' *†''Mirascapha'' *†''Mirlolaminatus'' *†''Mirochiliticus'' *†''Mirua'' *†''Mirula'' *†''Misteia'' *†''Mistostigma'' * ''Mitra (genus), Mitra'' *†''Mitraria (mollusc), Mitraria'' *†''Mitratoma'' * ''Mitrella (gastropod), Mitrella'' *†''Mitrelloturris'' *†''Mitreola (gastropod), Mitreola'' *†''Mitridomus'' *†''Mitrithara'' *†''Mitrodrillia'' *†''Mitrolumna'' * ''Mitromorpha'' *†''Mnestia'' *†''Mnestocylichnella'' *†''Modelia'' *†''Modestospira'' * ''Modulus (genus), Modulus'' *†''Moelleria'' *†''Moerckeia'' *†''Molopophorus'' *†''Monalaria'' *†''Monetaria'' *†''Monilea'' *†''Moniliopsis'' *†''Moniliriretusa'' *†''Monocirsus'' *†''Monocuphus'' *†''Monodentella'' *†''Monodilepas'' * ''Monodonta'' *†''Monoplex'' *†''Monopophorus'' *†''Monoptygma'' *†''Montfortia'' *†''Montfortula'' *†''Montia (mollusc), Montia'' *†''Montospira'' *†''Morania'' *†''Morchiella'' *†''Morea (genus), Morea'' *†''Morgania'' *†''Morionella'' *†''Mormula'' *†''Morphotropis'' * ''Morula (genus), Morula'' * ''Morum'' *†''Morunella'' *†''Motyris'' *†''Mourlonia'' *†''Mourlonopsis'' *†''Mrhilaia'' *†''Muconalia'' *†''Multifarites'' *†''Multiptyxis'' * ''Munditia (genus), Munditia'' *†''Munditiella'' *†''Murchisonella'' *†''Murchisonia (Gastropod)'' *†''Muregina'' * ''Murex'' * ''Murexiella'' *†''Murexsul'' * ''Muricanthus'' *†''Muricassis'' * ''Muricopsis'' *†''Muricotrochus'' *†''Murotriton'' *†''Murphitys'' *†''Musashia'' *†''Myagrostoma'' *†''Myobarbum'' *†''Myristica (mollusc), Myristica'' *†''Myurella'' *†''Myurellina''


N

*†''Nacca'' *''Nacella'' *†''Nairiella'' *†''Nanggulania'' *†''Nannamoria'' *†''Nannodiella'' *†''Nannopyrgula'' *†''Nannubasa'' *†''Napulus'' *†''Naquetia'' *†''Naricava'' *†''Naricopsina'' *†''Narona (genus), Narona'' *†''Nassa (genus), Nassa'' *†''Nassaria'' *†''Nassarina'' *''Nassarius'' *†''Nassicola'' *†''Natella'' *†''Natica'' *†''Naticarius'' *†''Naticonema'' *†''Naticopsis'' *†''Natiria'' *†''Natitaria'' *†''Nawenia'' *†''Neamphitomaria'' *†''Nebularia'' *†''Neilsonia'' *†''Nekewis'' *†''Nematrochus'' *†''Nemrac'' *†''Neoathleta'' *†''Neobernaya'' *†''Neocola'' *†''Neocylindrites'' *†''Neocylindrus'' *†''Neoguraleus'' *†''Neoimbricaria'' *†''Neojanacus'' *†''Neolatirus'' *†''Neonerinea'' *†''Neoplatytaichum'' *†''Neopleurofusia'' *†''Neoptyxis'' *†''Neosimnia'' *†''Neotrochaetaeon'' *†''Neozeba'' *†''Nepotilla'' *†''Neptunea'' *†''Nereina'' *†''Neridomus'' *†''Nerinatica'' *†''Nerinea'' *†''Nerinella'' *†''Nerineopsis'' *†''Nerineoptyxis'' *†''Nerinoides'' *†''Nerita'' *†''Neritaria'' *''Neritina'' *†''Neritoma'' *†''Neritoplica'' *†''Neritopsis'' *†''Neritoptyx'' *†''Neritrema'' *†''Nevadaspira'' *†''Neverita'' *†''Nicema'' *†''Nicolia (gastropod), Nicolia'' *†''Nicosiaella'' *†''Nigerapana'' *†''Nigerithium'' *†''Nihonia'' *†''Nina (genus), Nina'' *†''Ninella'' *†''Niotha'' *†''Nipponitys'' *†''Nipteraxis'' *†''Nisaclis'' *†''Nisiturris'' *†''Niso'' *†''Nisostomia'' *†''Nitidella'' *†''Nitidiscala'' *†''Niveria'' *†''Nodilittorina'' *''Nodiscala'' *†''Nodisurculina'' *†''Noditerebra'' *†''Nododelphinula'' *†''Nodonema (mollusc), Nodonema'' *†''Nodospira'' *†''Nodulus'' *†''Noetca'' *†''Nonacteonina'' *†''Nordospira'' *†''Norrisella'' *†''Norrisia'' *†''Northia (mollusc), Northia'' *†''Notacirsa'' *†''Notadusta'' *''Notoacmea'' *''Notocrater'' *†''Notocypraea'' *†''Notocytharella'' *†''Notogenota'' *†''Notohaliotis'' *†''Notoluponia'' *†''Notomella'' *†''Notopeplum'' *†''Notoplejona'' *†''Notoscrobs'' *†''Notoseila'' *†''Notosetia'' *†''Notosinister'' *†''Nototrivia'' *†''Notovoluta'' *†''Nozeba'' *''Nucella'' *†''Nuclearia'' *†''Nucleopsis'' *†''Nudangarita'' *†''Nudivagus'' *†''Nummocalcar'' *†''Nummotectus''


O

*†''Oamaruia'' *†''Obex (genus), Obex'' *†''Obexomia'' *†''Obornella'' * ''Obtortio'' *†''Obtusella'' * ''Ocenebra'' *†''Ochetochilus'' *†''Ochetoclava'' *†''Ocinebrellus'' *†''Ocinebrina'' *†''Odetta (genus), Odetta'' *†''Odoardia'' *†''Odontobasis'' *†''Odontofusus'' *†''Odontomaria'' *†''Odontopolys'' *†''Odontopurpura'' *†''Odontoturbo'' *†''Odostomella'' * ''Odostomia'' *†''Odostomidea'' *†''Oehlertia'' * ''Oenopota'' *†''Offleya'' *†''Offlyeotrochus'' *†''Ogivia'' *†''Okinawavoluta'' *†''Olequahia'' *†''Oligoptycha'' *†''Oligoptyxis'' * ''Oliva (genus), Oliva'' *†''Olivancillaria'' * ''Olivella (genus), Olivella'' *†''Olivia (genus), Olivia'' *†''Olivula'' *†''Olssonella'' *†''Omalaxis'' * ''Omalogyra'' *†''Omanimaria'' *†''Omogymna'' *†''Omospira'' *†''Omphalius'' *†''Omphalonema'' *†''Omphaloptycha'' *†''Omphalotrochus'' *''Omphalotropis'' *†''Oncochilus'' *†''Ongleya'' *†''Oniscidia'' *†''Onkospira'' *†''Onoba (genus), Onoba'' * ''Oocorys'' *†''Ooliticia'' *†''Oonia'' *†''Oostrombus'' *†''Ootomaria'' *†''Ootomella'' * ''Opalia (genus), Opalia'' *†''Opaliopsis'' *†''Opella'' *†''Ophileta'' *†''Ophiletina'' * ''Ophiodermella'' *†''Opimilda'' *†''Opisthonema'' *†''Optoturris'' * ''Orbitestella'' *†''Orecopia'' *†''Orectospira'' *†''Orinella'' *†''Ormastralium'' *†''Ornamentaria'' *†''Ornatoptygmatis'' *†''Ornatospira'' *†''Ornopsis'' *†''Orospira'' *†''Orthaulax'' *†''Orthochetus'' *†''Orthochilus (mollusc), Orthochilus'' *†''Orthonema'' *†''Orthonychia'' *†''Orthoptyxis'' *†''Orthostomia'' *†''Orthosurcula'' *†''Osilinus'' *†''Ossiania'' *†''Ostioma'' *†''Otatara'' *†''Otollonia'' *†''Otomphalus'' *†''Otopleura'' *†''Otostoma'' *†''Ottoino'' *''Otukaia'' *†''Ovactaeonina'' *†''Ovatipsa'' *†''Ovilia'' *†''Ovinotis'' *†''Ovirissoa'' *†''Ovulactaeon'' *†''Ovulopsis'' *†''Owenella'' *†''Oxyacrum'' *†''Oxycypraea'' *†''Oxygyrus'' *†''Oxymeris'' *†''Oxyspira'' *†''Oxystele'' *†''Ozarkina'' *†''Ozarkispira'' *†''Ozodochilus''


P

*†''Pachycrommium'' *†''Pachycymbiola'' *†''Pachycythara'' *†''Pachydontella'' * ''Pachymelon'' *†''Pachyomphalus'' *†''Pachyrissoina'' *†''Pachystrophia'' *†''Pachysyrnola'' *†''Pagodea'' *†''Pagodina'' *†''Pagodospira'' *†''Pagodula'' *†''Pakistania'' *†''Paladmete'' *†''Palaeatractus'' *†''Palaeocancellaria'' *†''Palaeocollonia'' *†''Palaeocypraea'' *†''Palaeohydatina'' *†''Palaeoloxotoma'' *†''Palaeonarica'' *†''Palaeonisco'' *†''Palaeopsephaea'' *†''Palaeorhaphis'' *†''Palaeoschisma'' *†''Palaeoscurria'' *†''Palaeostylus'' *†''Palaeotrochactaeon'' *†''Palaeotrochus'' *†''Palaeozygopleura'' *†''Palangaria'' *†''Paleoalvania'' *†''Paleofusimitra'' *†''Paleunema'' *†''Paleuphemites'' *†''Pallacera'' *†''Palliocypraea'' *†''Palliseria'' *†''Palmadusta'' *†''Palomelon'' *†''Panamurex'' *†''Pangoa'' *†''Panormella'' *†''Papillina'' *†''Paraborsonia'' *†''Paracerithium'' *†''Paracirculus'' *†''Paraclathurella'' *†''Paracomitas'' *†''Paracomminia'' *†''Paradrilla'' *†''Parafusus'' *†''Paraglauconia'' *†''Paragoniozona'' *†''Paraliospira'' *†''Paramarshallena'' * ''Parametaria'' *†''Paramorea'' *†''Paranassa'' *†''Paraneistrolepis'' *†''Parangarenga'' *†''Parangularia'' *†''Paraplatyschisma'' *†''Parapuractaeon'' *†''Pararaphispira'' *†''Paraseraphs'' *†''Parasimplotyxis'' *†''Parasyngenochilus'' *†''Parasyrinx'' *†''Parataphrus'' *†''Paraterebra'' *†''Paratrophon'' *†''Paraturbo'' *†''Paraviviana'' *†''Parazebinella'' *†''Pareora'' *†''Pareuchelus'' *†''Pareuryalox'' *†''Parietiplicatum'' *†''Parinotus'' *†''Paronaella'' *†''Parthenina'' *†''Partubiola'' *†''Partulida'' *†''Parvacmea'' *†''Parvimitra'' *†''Parvirota'' *†''Parviscala'' *†''Parvisetia'' *†''Parvisipho'' *†''Parviviana'' *†''Parvivoluta'' *†''Pasitheola'' * ''Patella (genus), Patella'' *†''Patellastra'' *†''Patellilabia'' * ''Patelloida'' *†''Patellopsis'' *†''Patellostium'' *†''Patuxentrophon'' *†''Paulonaria'' *†''Pavora'' *†''Paxula'' *†''Payradeautia'' *†''Paziella'' *†''Pchelincevella'' *†''Peasiella'' *†''Pectinodonta'' *†''Peculator (gastropod), Peculator'' *†''Pedasiola'' *''Pedicularia'' * ''Pedipes'' *†''Peelerophon'' *†''Pegocomptus'' *†''Pelicaria'' *†''Pellasimnia'' *†''Pellax'' *†''Penion'' *†''Pentagonodiscus'' *†''Pentaptyxis'' *†''Peonza'' *†''Pepta'' *†''Peracle'' *†''Pereiraea'' *†''Periaulax'' *†''Pericarinata'' *†''Peridipsaccus'' *†''Peringiella'' *†''Perissitys'' *†''Perissodonta'' *†''Perissolax'' *†''Perissoptera'' *†''Peristernia'' *†''Peritrophon'' *†''Pernericirrus'' *†''Perneritrochus'' *†''Perotrochus'' *†''Perplicaria'' *†''Perrinia'' *†''Perrona'' *†''Perse (genus), Perse'' * ''Persicula'' *†''Personella'' *†''Personopsis'' *†''Perucerithium'' *†''Peruchilus'' *†''Peruficus'' *†''Perulithes'' *†''Peruluta'' *†''Peruniscus'' *†''Perustrombus'' *†''Peruviella'' *†''Peruvispira'' *†''Pervicacia'' * ''Petaloconchus'' *†''Petersia'' *†''Petrafixia'' *†''Petropoma'' *†''Peyrotia'' *†''Pezantia'' * ''Phalium'' *†''Phandella'' *†''Phanerolepida'' *†''Phaneroptyxis'' *†''Phanerotinus'' *†''Phanerotrema'' *†''Pharetrolites'' *†''Pharkidonotus'' * ''Phasianella'' *†''Phasianema'' *†''Phasianochilus'' *†''Phasianotrochus'' *†''Phenacovolva'' *''Phenatoma'' * ''Philine'' *†''Philippia (mollusk)'' *†''Philoxene'' *†''Pholidotoma'' *†''Phoracanthus'' *†''Phorculus'' *†''Phorcus (genus), Phorcus'' * ''Phos'' *†''Phosinella'' *†''Phragmolites'' *†''Phragmosphaera'' *†''Phrontis (genus), Phrontis'' *†''Phryx'' *†''Phyllocheilus'' *†''Phyllonotus'' *†''Phymatopleura'' *†''Pictavia (genus), Pictavia'' *†''Pictiformes'' *†''Pictoscala'' *†''Piestochilus'' *†''Pietteia'' *†''Pileolus (genus), Pileolus'' *†''Pinquigemmula'' *†''Pirena (genus), Pirena'' *†''Pirenella'' *†''Pirgos (genus), Pirgos'' *†''Pirper'' *†''Pirsila'' *†''Pisanella'' * ''Pisania'' *†''Pisanianura'' *†''Pisinna'' *†''Pisulina'' *†''Pithodea'' *†''Pittella'' *†''Plagiothyra'' * ''Planaxis'' *†''Planicollonia'' *†''Planitrochus'' *†''Planolateralus'' *†''Planospirina'' *†''Planotectus'' *†''Planozone'' *†''Planpyrgiscus'' *†''Platyacra'' *†''Platybassis'' *†''Platyceras'' *†''Platychilina'' *†''Platyconcha'' *†''Platyconus'' *†''Platycythara'' *''Platyla'' *†''Platyloron'' *†''Platyoptera'' *†''Platyschisma'' *†''Platyteichum'' *†''Platyworthenia'' *†''Platyzona'' *†''Plectocion'' *†''Plectonotoides'' *†''Plectonotus'' *†''Pleia'' *†''Pleioptygma'' *†''Plentaria'' *†''Plesioacirsa'' *†''Plesiocerithium'' *†''Plesioptygmatis'' *†''Plesiothyreus'' *†''Plesiotriton'' *†''Plesiotrochus'' *†''Plethospira'' *†''Pleuracme'' *†''Pleuratella'' *†''Pleurofusia'' *†''Pleurolimnaea'' *†''Pleuroliria'' *†''Pleuromphalus'' *†''Pleuronotus'' * ''Pleuroploca'' *†''Pleuropyramis'' *†''Pleurorima'' * ''Pleurotomaria'' *†''Pleurotomella'' *†''Pleurotomoides'' *†''Plicafoliosa'' *†''Plicarcularia'' *†''Plicifusus'' *†''Pliciscala'' *†''Plicobulla'' *†''Pliconacca'' *†''Plocezyga'' *†''Plochelaea'' *†''Ploconema'' *†''Plocostoma'' *†''Plocostylus'' *†''Plotophysops'' * ''Poirieria'' *†''Poleumita'' *†''Polinella'' * ''Polinices'' *†''Poliniciella'' * ''Pollia (mollusk), Pollia'' *†''Polygyreulima'' *†''Polygyrina'' *†''Polystira'' *†''Polytremaria'' *†''Pomahakia'' * ''Pomaulax'' *†''Ponderia'' *†''Ponocyclus'' *†''Popenella'' *†''Popenoeum'' *†''Porcellia'' *†''Pornosis'' *†''Poropteron'' *†''Portlockiella'' *†''Portoricia'' *†''Postalia'' *†''Potamides (gastropod), Potamides'' *†''Potamidopsis'' *†''Powellisetia'' *†''Praehyalocylis'' *†''Praelittorina'' *†''Praematuratropis'' *†''Praenatica'' *†''Praestomatia'' *†''Preangeria'' *†''Prestrombus'' *†''Priene (genus), Priene'' * ''Primovula'' *†''Prionovolva'' *†''Priotrochus'' *†''Priscaphander'' *†''Priscoficus'' *†''Priscofusus'' *†''Prisogaster'' *†''Pristimerica'' *†''Pristinacca'' *†''Proacirsa'' *†''Proadusta'' *†''Procalpurnus'' *†''Procampanile'' *†''Procancellaria'' *†''Procerapex'' *†''Procerithiopsis'' *†''Procerithium'' *†''Proclava'' *†''Procominula'' *†''Proconulus'' *†''Prodiozoptyxis'' *†''Proficus'' *†''Profundialvania'' *†''Progabbia'' *†''Promartynia'' *†''Promathilda'' *†''Promourlonia'' *†''Propemurchisonia'' * ''Propilidium'' *†''Propustularia'' *†''Proscala'' *†''Proscutum'' *†''Prosimnia'' *†''Prosipho'' *†''Prosolarium'' *†''Prosoptychus'' *†''Prosthenodon'' *†''Proterato'' *†''Protoatlanta'' *†''Protobarleeia'' *†''Protobusycon'' *†''Protocalyptaea'' *†''Protocypraea'' *†''Protocypraedia'' *†''Protodolium'' *†''Protofusus'' *†''Protoma'' *†''Protonema (genus), Protonema'' *†''Protopirula'' *†''Protorcula'' *†''Protorotella'' *†''Protospirialis'' *†''Protostylifera'' *†''Protostylus'' *†''Protosurcula'' *†''Prototurbo'' *†''Prototyphis'' *†''Protuba'' *†''Proturboella'' *†''Proturritella'' *†''Provermicularia'' *†''Proxicharonia'' *†''Proximitra'' *†''Proxiuber'' * ''Prunum'' *†''Psammodulus'' *†''Psephaea'' *†''Pseudalaria'' *†''Pseudamaura'' *†''Pseudaulicina'' *†''Pseudavena'' *†''Pseudoaclisina'' *†''Pseudoaluco'' *†''Pseudoaptyxis'' *†''Pseudobaylea'' *†''Pseudobrochidium'' *†''Pseudobuccinum'' *†''Pseudocancilla'' *†''Pseudocassis'' *†''Pseudochrysalis'' *†''Pseudocirsope'' *†''Pseudoclanculus'' *†''Pseudocominella'' *†''Pseudocryptaenia'' *†''Pseudocymia'' *†''Pseudodiartema'' *†''Pseudodiloma'' *†''Pseudofax'' *†''Pseudofissurella'' *†''Pseudofulgur'' *†''Pseudofusia'' *†''Pseudogaleodea'' *†''Pseudoglauconia'' *†''Pseudohercynella'' *†''Pseudolacuna'' *†''Pseudolatirus'' *†''Pseudoliomesus'' *†''Pseudoliotina'' *†''Pseudoliva'' *†''Pseudolyria'' *†''Pseudomalaxis'' *†''Pseudomelania'' *†''Pseudomelatoma'' *†''Pseudomesalia'' *†''Pseudometula'' *†''Pseudomorea'' *†''Pseudompalotrochus'' *†''Pseudomurchisonia'' *†''Pseudoneptunea'' *†''Pseudonerinea'' *†''Pseudonina'' *†''Pseudoninella'' *†''Pseudoperissitys'' *†''Pseudoperissolax'' *†''Pseudophasianus'' *†''Pseudophorus'' *†''Pseudopisania'' *†''Pseudoplatyceras'' *†''Pseudoplocezyga'' *†''Pseudorapa'' *†''Pseudoraphitoma'' *†''Pseudorhytidopilus'' *†''Pseudorotella'' *†''Pseudoscalites'' *†''Pseudoscalites'' *†''Pseudoschizogonium'' *†''Pseudosetia'' *†''Pseudostomatella'' *†''Pseudotaphrus'' *†''Pseudotectus'' *†''Pseudotoma'' *†''Pseudotorinia'' *†''Pseudotritonium'' *†''Pseudotrivia'' *†''Pseudotruncatella'' *†''Pseudotubina'' *†''Pseudotylostoma'' *†''Pseudovaricia'' *†''Pseudovertagus'' *†''Pseudowarthia'' *†''Pseudozonaria'' *†''Pseudozygopleura'' *†''Psilarius'' *†''Psilaxis'' *†''Psilocochlis'' *†''Ptereulima'' *†''Pterocera'' *†''Pterocerella'' *†''Pterocheilos'' *†''Pterochelus'' *†''Pterodonta'' *†''Pterodonticeras'' *†''Pterolabrella'' * ''Pteropurpura'' *†''Pterorytis'' *†''Pterospira'' *†''Pterotheca'' *''Pterotrachea'' * ''Pterotyphis'' *†''Pterygia'' * ''Pterynotus'' *†''Ptomatis'' *†''Ptychatractus'' *†''Ptycheulimella'' *†''Ptychobellerophon'' *†''Ptychocaulus'' *†''Ptychocerithium'' *†''Ptychocylindrites'' *†''Ptychogyra'' *†''Ptychomphalina'' *†''Ptychomphalus'' *†''Ptychopotamides'' *†''Ptychoris'' *†''Ptychosalpinx'' *†''Ptychosphaera'' *†''Ptychospirina'' *†''Ptychostoma'' *†''Ptychosyca'' *†''Ptychosyrinx'' *†''Ptychozone'' *†''Ptygmatis'' * ''Pugilina'' *†''Pugnellus'' *†''Puha (mollusc), Puha'' *†''Pulchrastele'' *†''Pulchritima'' * ''Punctiscala'' *†''Punctospira'' * ''Puncturella'' *†''Puncturellopsis'' *†''Punjabia'' *†''Pupa (genus), Pupa'' *†''Pupatonia'' * ''Puperita'' *†''Pupillaea'' *†''Pupillaria'' *†''Puposyrnola'' * ''Purpura (genus), Purpura'' *†''Purpuradusta'' *†''Purpurellus'' *†''Purpurina'' *†''Purpuroidea'' *†''Puruiana'' *†''Puruninella'' * ''Pusia'' *†''Pusillina'' *†''Pusiolina'' *†''Pusionella'' * ''Pustularia (gastropod), Pustularia'' *†''Pustulifer'' * ''Pusula (genus), Pusulla'' *†''Putilla'' *†''Putzeysia'' *†''Pycnomphalus'' *†''Pycnotrochus'' *†''Pyktes'' * ''Pyramidella'' *†''Pyramidelloides'' *†''Pyramimitra'' *†''Pyramistomia'' *†''Pyramitoma'' *†''Pyrazella'' *†''Pyrazisinus'' *†''Pyrazus'' * ''Pyrene (genus), Pyrene'' *†''Pyrenomitra'' *†''Pyrenoturris'' *†''Pyrgiscilla'' * ''Pyrgiscus'' * ''Pyrgocythara'' *†''Pyrgolampros'' *†''Pyrgolidium'' *†''Pyrgotrochus'' *†''Pyrgulina'' *†''Pyrifusus'' *†''Pyropsis'' *†''Pyruclia'' *†''Pyrulofusus'' *†''Pyrunculus'' *†''Pythmenema'' *†''Pyxipoma''


Q

*†''Quadricarina'' *†''Quadrinervus'' *†''Quassisipho'' *†''Quimalea'' *†''Quoyia''


R

*†''Rabicea'' *†''Radinista'' *†''Raha (genus), Raha'' *†''Raincourtia'' *†''Ramina'' * ''
Ranella ''Ranella'' is a genus of large warm-water and tropical sea snails, marine gastropod molluscs in the family Ranellidae, the tritons. Shell description The shells of species within this genus are very large and solid, with a tall spire, a ro ...
'' *†''Ranellina'' *†''Rangimata'' *†''Ranularia'' * ''Rapana'' *†''Raphischisma'' *†''Raphispira'' *†''Raphistoma'' *†''Raphistomina'' *†''Raphitoma'' *†''Rapopsis'' *†''Ratifusus'' *†''Raulinia'' *†''Ravitrona'' *†''Ravnostomia'' *†''Rectiplanes'' *†''Recurvina'' *†''Redocla'' *†''Remera'' *†''Remnita'' *''Renea (gastropod), Renea'' *†''Reticulacella'' *†''Reticuloturris'' *†''Retiopustula'' *†''Retipirula'' *†''Retispira'' *†''Retizafra'' * ''Retusa'' *†''Reymentella'' *†''Rhabdocolpus'' *†''Rhabdoconcha'' *†''Rhabdotocochlis'' *†''Rhaphischismatidae, Rhaphischisma'' *†''Rhaphistomella'' * ''Rhinoclavus'' *†''Rhinoderma (mollusc), Rhinoderma'' *†''Rhizorus'' *†''Rhombella'' *†''Rhomboidestoma'' *†''Rhombopsis'' *†''Rhombostoma'' *†''Rhopalites'' *†''Rhynchocerithium'' *†''Rhynchocypraea'' *†''Rhytidopilus'' *†''Ricinella'' * ''Rictaxis'' *†''Rigauxia'' *†''Rimella (genus), Rimella'' *†''Rimosodaphnella'' * ''Rimula (gastropod), Rimula'' *†''Rimulopsis'' *†''Rinaldoconchus'' *†''Rinaldomphalus'' * ''Ringicula'' *†''Ringiculella'' *†''Ringiculina'' *†''Ringiculocosta'' *†''Ringiculopsis'' *†''Ringiculoptycha'' *†''Ringiculospongia'' *†''Ringinella'' *†''Ripleyella'' *†''Risella'' *†''Risellopsis'' *†''Risselloidea'' * ''Rissoa'' *†''Rissocerithium'' * ''Rissoina'' *†''Rissolina'' *†''Rissomangelia'' *†''Rissopsetia'' *†''Ritena'' *†''Riuguhdrillia'' *†''Robus'' *†''Rochia'' *†''Rolandomphalus'' *†''Rollandiana'' * ''Roperia poulsoni, Roperia'' *†''Rossiteria'' *†''Rostellaca'' *†''Rostellana'' *†''Rostellaria (genus), Rostellaria'' *†''Rostellinda'' *†''Rostreulima'' *†''Rostrocerithium'' *†''Rotadiscoides'' *†''Rothpeltzia'' *†''Rothpletzella'' *†''Rousseauspira'' *†''Roxania'' *†''Roxaniella'' * ''Roya (genus), Roya'' *†''Ruedemannia'' *†''Rufilla (genus), Rufilla'' *†''Rugatiscala'' *†''Rugiferia'' *†''Rugobela'' *†''Rugotyphis'' *†''Rugulina'' *†''Rumerloella''


S

*†''Sabatia (gastropod), Sabatia'' *†''Sabaziella'' *†''Sabia (gastropod), Sabia'' *†''Sabinella'' *†''Sablea'' *†''Sabrinella'' *†''Saccaroturris'' *†''Saccoina'' *†''Sagenella'' *†''Sallya (gastropod), Sallya'' *†''Salpingostoma'' *†''Salterospira'' *†''Sandbergeria'' *†''Sanhaliotis'' *†''Santia'' *†''Sargana (genus), Sargana'' *†''Sarmates (genus), Sarmates'' *†''Sarmaticus'' *†''Sarmaturbo'' *†''Sassia'' *†''Scabrella'' *†''Scabricola'' *†''Scaevola (gastropod), Scaevola'' *†''Scalaetrochus'' * ''Scalaria'' *†''Scalaronoba'' *†''Scalaspira'' *†''Scalenostoma'' *†''Scalina'' *†''Scaliola'' *†''Scalites'' *†''Scalitina'' *†''Scalituba'' *†''Scalptia'' * ''Scaphander'' * ''Scaphella'' *†''Scaphellopsis'' *†''Sceptrum (genus), Sceptrum'' *†''Schilderia'' *†''Schizobasis'' *†''Schizogonium'' *†''Schizolopha'' *†''Schizopea'' * ''Schwartziella'' * ''Scissurella'' * ''Scissurona'' *†''Scobinella'' *†''Scobinodola'' *†''Scoliostoma'' * ''Sconsia'' *†''Scorbinidola'' *†''Scrinium'' *†''Scrobs'' *†''Scrupus'' *†''Sculpturea'' *†''Scurriopsis'' *†''Scutellastra'' * ''Scutus'' *†''Searlesia'' *†''Sediliopsis'' *†''Seelya'' *†''Seguenzia'' * ''Seila'' *†''Seisa'' *†''Sellinema'' *†''Semahana'' *†''Semiactaeon'' *†''Semibittium'' * ''Semicassis'' *†''Semicypraea'' *†''Semineritina'' *†''Seminola'' *†''Semipirum'' *†''Semisolarium'' *†''Semistylifer'' *†''Semiterebellum'' *†''Semitriton'' *†''Semitrivia'' *†''Semitubina'' *†''Semityphis'' *†''Semivertagus'' *†''Semperia'' *†''Sentularia'' * ''Septa (gastropod), Septa'' *†''Sequania (genus), Sequania'' *†''Seraphs (genus), Seraphs'' *†''Serpentubina'' * ''Serpulorbis'' *†''Serpulospira'' *†''Serrata (genus), Serrata'' *†''Serratifusus'' *†''Serratocerithium'' *†''Serratotrochus'' *†''Serrifusus'' *†''Settsassia'' *†''Sevanella'' *†''Seymourosphaera'' *†''Shansiella'' *†''Shikamacirrus'' *†''Shikokuspira'' *†''Shwedagonia'' *''Sigapatella'' *†''Sigaretopsis'' *†''Sigaretotrema'' * ''Sigatica'' *†''Sigmesalia'' * ''Siliquaria'' *†''Siluracmaea'' *†''Siluriphorus'' * ''Simnia'' *†''Sinaxila'' *†''Sincola'' * ''Sinezona'' *†''Singulitubus'' *†''Sinistrella'' *†''Sinistrospira'' *†''Sinorificium'' *†''Sinospira'' *†''Sinuella'' *†''Sinuina'' *†''Sinuites'' *†''Sinuitina'' * ''Sinum'' *†''Sinuopea'' *†''Sinuozyga'' *†''Sinuspira'' *†''Sinustomia'' *†''Sinutropis'' *†''Sinzowia'' *†''Sipho'' *†''Siphocypraea'' *†''Siphonacmea'' * ''Siphonalia'' * ''Siphonaria'' *†''Siphonochelus'' *†''Siphonophyla'' *†''Siphonorbis'' *†''Siphopatella'' *†''Siratus'' *†''Sirius (genus), Sirius'' *†''Sisenna'' *†''Siskyouspira'' *†''Skaptotion'' *†''Skena (genus), Skena'' * ''Smaragdia'' *†''Smithiellia'' *†''Socotora'' *†''Sogdianella'' *†''Sohlella'' *†''Sohlia'' *†''Sohlitella'' *†''Solariaxis'' * ''Solariella'' *†''Solarioconulus'' *†''Solariorbis'' *†''Solarium (genus), Solarium'' *†''Solatia'' *†''Soleniscus'' *†''Solenosteira'' *†''Sollariaxis'' *†''Solutofusus'' *†''Sorapisella'' *†''Sororcula'' *†''Sosiolytes'' *†''Spanionema'' *†''Sparella'' *''Spectamen'' *''Specula (gastropod), Specula'' *†''Speightia'' *†''Spelaenacca'' *†''Sphaerocina'' *†''Sphaerocypraea'' *†''Sphaeronassa'' *†''Sphenosphaera'' *†''Spinaspira'' *†''Spineoterebra'' *†''Spinicharybdis'' *†''Spinigera'' *†''Spiniscala'' *†''Spinomelon'' *†''Spinulrichospira'' *†''Spiractaeon'' *†''Spiraculinella'' *†''Spiradaphne'' *†''Spiralta'' *†''Spirgvaleia'' *†''Spirina'' *†''Spirochrysalis'' *†''Spirocirrus'' *†''Spirocolpus'' *†''Spirocrypta'' *†''Spirocyclina'' *†''Spirocyclus'' *†''Spirodentalium'' *†''Spiroecus'' *†''Spirogalerus'' *†''Spiroglyphus'' * ''Spirolaxis'' *†''Spiromphalus'' *†''Spironema (gastropod), Spironema'' *†''Spironemella'' *†''Spiroscala'' *†''Spirostylus'' *†''Spirotomaria'' *†''Spirotropis (gastropod), Spirotropis'' * ''Splendrillia'' *†''Spoelia'' *†''Squamalinia'' *†''Squarrosus'' *†''Stachella'' *†''Staffinia'' *†''Stantonella'' *†''Staphylaea'' *†''Stazzania'' *†''Stegocoelia'' * ''Stellaria (gastropod), Stellaria'' *†''Stellaxis'' *†''Stelzneria'' *†''Stenoloron'' * ''Stenorhytis'' *†' *†''Stenozone'' *†''Stephanoconus'' *†''Stephanocosmia'' *†''Stephanosalpinx'' *†''Stephanozyga'' *†''Stereokion'' *†''Steromphala'' *''Sthenorytis'' * ''Stigmaulax'' * ''Stilifer'' *†''Stilla'' *†''Stiracolpus'' * ''Stomatella'' *†''Stomatia'' *†''Stosicia'' * ''Stramonita'' *†''Strangulites'' *†''Straparella'' *†''Straparollina'' *†''Straparollus'' *†''Strebloceras'' *†''Strephona'' *†''Strephonella'' *†''Strepsidura'' *†''Streptacis'' *†''Streptocarina'' *†''Streptochetus'' *†''Streptodictyon'' *†''Streptodiscus'' *†''Streptolathyrus'' *†''Streptopelma'' *†''Streptotrochus'' *†''Striactaeonina'' *†''Striatesta'' *†''Striaticostatum'' *†''Striatiscala'' *†''Strictohumerus'' *†''Strigatella'' *†''Strigillibuccinum'' *†''Strigosella (gastropod), Strigosella'' *†''Striocarinata'' *†''Striodostomia'' *†''Strioterebrum'' *†''Strioturbonilla'' *†''Strobeus'' *†''Strombiformis'' * ''Strombina'' *†''Strombinella'' *†''Strombinophos'' *†''Stromboconus'' *†''Strombolaria'' *†''Strombopugnellus'' * '' Strombus'' *†''Strominella'' *†''Strongylocera'' *†''Strophostylus'' *†''Strotostoma'' *†''Struthiochenopus'' *†''Struthiolarella'' * ''Struthiolaria'' *†''Struthiolariopsis'' *†''Struthioptera'' *†''Stuorella'' *†''Sturgeonospira'' *†''Stylidium (gastropod), Stylidium'' *†''Styliola'' *†''Stylonema'' *†''Styloplocus'' *†''Suavodrillia'' *†''Subcancilla'' *†''Subclimax'' *†''Subditotectarius'' *†''Subninella'' *†''Subpterynotus'' *†''Subula'' *†''Subuliscala'' *†''Subulites'' *†''Suchium'' *†''Suessonia'' *†''Sulcoactaeon'' *†''Sulcocypraea'' *†''Sulcogladius'' *†''Sulconatica'' *†''Sulcoretusa'' *†''Sulcorinella'' *†''Sulcosipho'' *†''Sulcosubularia'' *†''Sulcotrivia'' *†''Sulcoturbonilla'' *†''Sulculus'' *†''Sundabittium'' *†''Superstes'' * ''Supplanaxis'' *†''Suprazonalis'' *†''Surcula'' *†''Surculina'' *†''Surculites'' *†''Surculoma'' *†''Sveltella'' *†''Sveltia'' *†''Swainsonia'' *†''Sycodes'' *†''Sycopsis'' *†''Sycostoma'' *†''Sycotypus'' *†''Sydaphera'' *†''Sylvestrosphaera'' *†''Symmetrocapulus'' * ''Synaptocochlea'' *†''Syncera'' *†''Syngenochelus'' *†''Syntomodrillia'' *†''Syrnola''


T

*†''Tachyrhynchella'' *†''Tachyrhynchus'' *†''Taemasotrochus'' *†''Taeniaturbo'' *†''Taeniospira'' *†''Tahudrilla'' *†''Tahusyrinx'' *†''Taieria'' *†''Taioma'' *†''Taita (genus), Taita'' *†''Takia (genus), Takia'' *†''Talahabia'' *†''Talantodiscus'' *†''Talityphis'' *''Talopena'' *†''Talostolida'' * ''Talparia'' *†''Tanaliopsis'' *†''Tanea'' *†''Taniella'' *†''Tanimasanoria'' *†''Tantunia'' *†''Taosia'' *†''Taphrostomia'' *†''Tapinotomaria'' *†''Taramellia'' *†''Taranis (genus), Taranis'' *†''Tarantinaea'' *†''Taron (genus), Taron'' *†''Tatara (genus), Tatara'' *†''Tateiwaia'' *†''Taurasia'' *†''Tauricella'' *†''Tauschia (mollusc), Tauschia'' *†''Taxonia'' *†''Tectaplica'' *†''Tectariopsis'' * ''Tectarius'' *†''Tectifusus'' * ''Tectonatica'' *†''Tectospira'' * ''Tectura'' *†''Tectus'' * ''Tegula (genus), Tegula'' *†''Teiichispira'' *†''Teilostoma'' * ''Teinostoma'' *†''Teinostomopsis'' *†''Tejonia'' *†''Telasco'' *†''Teleochilus'' *†''Teleoptyxis'' * ''Telescopium (genus), Telescopium'' *†''Teliochilus'' *†''Telleria'' *†''Temanella'' *†''Tembrockia'' *†''Temnodiscus'' *†''Temnospira'' *†''Temnotropis'' * ''Tenagodus'' * ''Tenaturris'' *†''Teneposita'' *†''Tenuiactaeon'' *†''Tenuicerithium'' *†''Tenuiscala'' *†''Tephlon'' *†''Terebellopsis'' * ''Terebellum (genus), Terebellum'' * ''Terebra'' * ''Terebralia'' *†''Terebraliopsis'' *†''Terebrellina'' *†''Terebrifusus'' *†''Terebritoma'' *†''Terefundus'' *†''Terelimella'' *†''Teremelon'' *†''Teretia'' *†''Teretrina'' *†''Ternivoluta'' *†''Tessarolax'' * ''Testudinalia'' *†''Tetranota'' *†''Tetraplica'' *†''Tetraptyxis'' *†''Tetratubispira'' * ''Thais (genus), Thais'' *†''Thaisella'' *†''Thala (gastropod), Thala'' *†''Thalotia'' *†''Thanetinassa'' *†''Tharsiella'' * ''Thatcheria'' *†''Thecopsella'' *†''Thelecythara'' *†''Theliostyla'' *†''Thericium'' *†''Thersitea'' *†''Thesbia'' *†''Thiarinella'' *†''Thierachella'' *†''Tholitoma'' *†''Thorista'' *''Thoristella'' *†''Threavia'' *†''Thylacus'' *†''Tianjinospira'' *†''Tiara (genus), Tiara'' *†''Tiaracerithium'' *†''Tiarellacerithium'' *†''Tiberia'' *†''Tibersyrnola'' *†''Tibia (genus), Tibia'' *†''Tibiaporrhais'' *†''Tibiella'' *†''Tiburnus'' *†''Timisia'' *†''Tintorium'' *†''Tioria'' *†''Tipua (genus), Tipua'' *†''Tmetonema'' *†''Toledonia'' *†''Tomellana'' *†''Tomopleura'' *†''Tomostoma'' *†''Tomyris (genus), Tomyris'' * ''Tonna (genus), Tonna'' *†''Torcula'' *†''Torculoidella'' *†''Torgnellus'' *†''Torinia'' *†''Tornatellaea'' * ''Tornus (genus), Tornus'' *†''Torquatiscala'' *†''Torquesia'' *†''Torquesiella'' *†''Torquifer'' *†''Tortisipho'' *†''Tortoliva'' *†''Tournouerella'' *†''Touzinia'' *†''Toxoconcha'' *†''Trachelochetus'' *†''Trachoecus'' *†''Trachybembix'' *†''Trachydomia'' *†''Trachynerita'' * ''Trachypollia'' *†''Trachysma'' *†''Trachyspira'' *†''Trachytriton'' *†''Tractoliria'' *†''Tragula'' *†''Trajana'' *†''Trajanella'' *†''Transmariaturris'' *†''Transovula'' *†''Transylvanella'' *†''Tremanotus'' *†''Trepospira'' *†''Tretospira'' *†''Triadoskenea'' *†''Trianglospira'' *†''Triangularia'' *†''Triaracerithium'' *†''Triassocirrus'' *†''Tribia'' *†''Trichosirius'' * ''Trichotropis'' * ''Tricolia'' *†''Tricornis'' *†''Tridactylus'' *†''Triforis'' *†''Trigonostoma'' *†''Trimalaxis'' * ''Trimusculus'' * ''Triphora (gastropod), Triphora'' *†''Tripia (gastropod), Tripia'' *†''Tripidotomaria'' *†''Triploca'' *†''Tripterotyphis'' * ''Triptychus'' *†''Tristichotrochus'' *†''Tritiaria'' * ''Tritonalia'' *†''Tritonatractus'' *†''Tritonomangilia'' *†''Tritonophon'' *†''Tritonopsis'' *†''Trituba'' *†''Triumphis'' * ''Trivia (genus), Trivia'' *†''Triviella'' *†''Trivirostra'' *†''Trobus'' *†''Trochacanthus'' *†''Trochactaeon'' *†''Trochactaeonina'' *†''Trochalia'' *†''Trochita'' *†''Trochocerithium'' *†''Trochodon'' *†''Trochomphalus'' *†''Trochonema'' *†''Trochonemella'' *†''Trochonemopsis'' *†''Trochonerita'' *†''Trochopsidea'' *†''Trochotectus'' *†''Trochotoma'' *†''Trochotomaria'' *†''Trochotrochus'' *†''Trochotugurium'' *†''Trochoturbella'' * ''Trochus'' *†''Trominina'' *''Trona (genus), Trona'' *†''Troostella'' *†''Tropaeas'' * ''Trophon'' *†''Trophonopsis'' *†''Trophosycon'' *†''Tropicolpus'' *†''Tropidodiscus'' *''Tropidophora'' *†''Tropidostropha'' *†''Tropisurcula'' *†''Trubosta'' *†''Truncaria'' *†''Trunculariopsis'' *†''Tryonella'' *†''Trypanaxis'' *†''Trypanocochlea'' *†''Trypanostylus'' *†''Trypanotoma'' *†''Trypanotopsis'' *†''Trypanotrochus'' *†''Tubena'' *†''Tuberleviathana'' *†''Tubicauda'' *†''Tubina'' *†''Tubiola'' *†''Tubomphalus'' *†''Tudicla'' *†''Tudiclana'' *†''Tudicula'' *†''Tudorella'' *†''Tugali'' *†''Tugurium'' *†''Tulochilus'' *†''Tumidiacirsa'' * ''Tumulus'' (subfamily of'' Gibbula'') *†''Tundora'' *†''Turbinea'' * ''Turbinella (genus), Turbinella'' *†''Turbinilopsis'' *†''Turbinopsis'' * ''Turbo (genus), Turbo'' *†''Turbocheilus'' *†''Turboella'' *†''Turboidea'' *†''Turbonellina'' * ''
Turbonilla ''Turbonilla'' is a large genus of ectoparasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies.Bouchet, P.; Gofas, S. (2011). ''Turbonilla'' Risso, 1826. Accessed through: World Register of Mari ...
'' *†''Turbonitella'' *†''Turbonomaria'' *†''Turbonopsis'' * ''Turcica'' *†''Turehua'' *†''Turriclavis'' *†''Turricolumbus'' *†''Turricula (gastropod), Turricula'' *†''Turriculina'' *†''Turrifulger'' *†''Turrina'' *†''Turrinosyrinx'' *†''Turriola'' * ''Turris'' *†''Turriscala'' * ''Turritella'' *†''Turritellopsis'' *†''Turritoma'' *†''Turritriton'' *†''Tychobrachea'' *†''Tychonia'' *†''Tylocassis'' *''Tylochilus (mollusc), Tylochilus'' *†''Tylodinella'' *†''Tylospira'' *†''Tylostoma'' *†''Tylotrochus'' *†''Tylozone'' *†''Tympanotonos'' *†''Typhina'' *†''Typhinellus'' * ''Typhis'' *†''Typhlomangelia'' *†''Tyrannoberingius'' *†''Tyrsoecus''


U

*†''Uberella'' *†''Uchauxia'' *†''Ulfa (mollusc), Ulfa'' *†''Ulrichospira'' *†''Umbilia'' *†''Umbonellina'' * ''Umbonium'' *†''Umbospira'' *†''Umbotrochus'' *†''Umbotropis'' * ''Umbraculum (genus), Umbraculum'' *†''Umpquaia'' *†''Undiscala'' *†''Undulabucania'' *†''Undularia'' *†''Unedogemmula'' *†''Unicarinata'' *''Unitas (genus), Unitas'' *†''Upella'' *†''Urceolabrum'' *†''Urgonella'' *†''Urkutitoma'' *†''Uromitra'' * ''Urosalpinx'' *†''Uttleya'' *†''Uvanilla'' *†''Uxia (gastropod), Uxia'' *†''Uzita (genus), Uzita''


V

*†''Vaderos'' *†''Vaginella'' *†''Valanginella'' *†''Valfinia'' * ''Vanikoro (gastropod), Vanikoro'' *†''Vanikoropsis'' *†''Vanitrochus'' *†''Vanpalmer'' *†''Varicobela'' *†''Varicosipho'' *†''Varicospira'' *†''Varpalmeria'' * ''Vasum'' *†''Vaughanites'' *†''Veatchia'' *†''Velainella'' *†''Velatella'' *†''Velates'' * ''Velutina'' *†''Ventricaria (mollusc), Ventricaria'' *†''Ventrilia'' *†''Vergnesia'' * ''Vermetus'' * ''Vermicularia'' *†''Vernedia'' *†''Vernelia'' *†''Verruturris'' *†''Vesanula'' *†''Vestulia'' *†''Veterator'' *†''Vetridrillia'' *†''Vexillitra'' * ''Vexillum (genus), Vexillum'' *†''Vexinia'' *†''Vexithara'' *†''Vicarya'' *†''Vicaryella'' *†''Vicetia (genus), Vicetia'' *†''Vicinocerithium'' *†''Vigescentis'' *†''Vincenturris'' *†''Virgella'' *†''Viridibuccinum'' *†''Viriola'' *†''Visitator'' *†''Vistulia'' * ''Vitrinella'' *†''Vitrinellops'' *†''Vitta (genus), Vitta'' *†''Vitularia'' *†''Vivanella'' *†''Volema'' *''Voluspa'' (subspecies of'' Pyramidella'') * ''Voluta'' *†''Volutilithes'' *†''Volutoconus'' *†''Volutocorbis'' *†''Volutoderma'' *†''Volutolithes'' * ''Volutomitra'' *†''Volutomorpha'' *†''Volutopsius'' *†''Volutospina'' * ''Volva (mollusc), Volva'' *†''Volvaria'' *†''Volvariella (molusc), Volvariella'' * ''Volvarina'' *†''Volvarinella'' *†''Volvocylindrites'' *''Volvulella'' *†''Voorwindia'' *†''Vorticina'' *†''Vouastia''


W

*†''Waihaoia'' *†''Waikura'' *†''Waimatea'' *†''Waipaoa'' *†''Waisiolia'' *†''Waitara (genus), Waitara'' *†''Walnichollsia'' *†''Waluia'' *†''Wangacteon'' *†''Wangaloa'' *†''Warthia'' *†''Wateletia'' *†''Watsonia'' (subgenus of ''Parastrophia'') *†''Weeksia'' *†''Wellergyi'' *†''Wendella'' *†''Westerna'' *†''Wexfordia'' *†''Whitecliffia'' *†''Whitneya'' *†''Whitneyella'' * ''Williamia (mollusc), Williamia'' *†''Willungia'' *†''Wilsoniconcha'' *†''Wisonsinella'' *†''Woehrmannia'' *†''Woodsalia'' *†''Woodsella'' *†''Worthenia'' *†''Wortheniella'' *†''Wortheniopsis'' *†''Wyatella''


X

* ''Xancus'' *†''Xanthochorus'' *†''Xenogalea'' *†''Xenophalium'' * ''Xenophora'' * ''Xenotrophon'' *†''Xenuroturris'' *†''Xestosurcula'' *†''Xizangospira'' *†''Xuwenospira'' *†''Xymene'' *†''Xymenella'' *†''Xystrella''


Y

*†''Yasila'' *†''Yingicus'' *†''Yochelsonospira'' *†''Yunnania''


Z

*†''Zaclys'' *''Zafra (genus), Zafra'' *†''Zalipais'' *†''Zalozone'' *†''Zanassarina'' *†''Zaphon (genus), Zaphon'' *†''Zardinistylus'' *†''Zardubinihelix'' *''Zaria'' (subgenus of ''Turritella'') *''Zeacolpus'' *†''Zeacrypta'' *†''Zeacumanthus'' *†''Zeacuminia'' *†''Zeadmete'' *†''Zeapollia'' * ''Zebina'' *†''Zebittium'' *†''Zefallacia'' *†''Zegalerus'' *†''Zeidora'' *†''Zekilla'' *†''Zelandiella'' *†''Zemacies'' *†''Zemira'' *†''Zemitrella'' *†''Zenbinostoma'' *†''Zenepos'' *†-''Zephos'' (synonym of ''Cominella'') *†''Zeradina'' *†''Zethalia'' *†''Zeuxis (genus), Zeuxis'' *†''Zikkuratia'' *†''Zinolia'' *†''Zinsitys'' *†''Zircia'' *†''Zittelia'' *†''Ziziphinus'' *†''Zoila'' * ''Zonaria (gastropod), Zonaria'' *†''Zonarina'' *†''Zosterospira'' *†''Zygites'' *†''Zygopleura''


References

*Sepkoski, J.J., Jr. (2002). A compendium of fossil marine animal genera. ''Bulletins of American Paleontology'' 364, 560 p.
Sepkoski's Online Genus DatabaseFossilworks on Paleobiology Database
{{DEFAULTSORT:Marine gastropods Prehistoric gastropod genera, List of marine Lists of prehistoric molluscs Gastropod genera, .Fossil