''Cassis'',

common name In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often contrast ...

the helmet shells, is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of very large

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 ...

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 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 other relationship). The purpose of the family is to maintain the well-being of its ...

Cassidae The Cassidae are a taxonomic family of medium-sized, large, and sometimes very large sea snails commonly called helmet snails or bonnet snails. These are marine gastropod mollusks in the superfamily Tonnoidea and the clade Littorinimorpha.Gofas, ...

, the helmet shells and their allies. This is the type genus of the subfamily

Cassinae The Cassidae are a taxonomic family of medium-sized, large, and sometimes very large sea snails commonly called helmet snails or bonnet snails. These are marine gastropod mollusks in the superfamily Tonnoidea and the clade Littorinimorpha.Go ...

Species

The genus ''Cassis'' includes extant and extinct species: Fossilworks
/ref> * '' Cassis abbotti'' Bouchet, 1988 * † '' Cassis altispira'' Beu 2010 * † ''

Cassis birmanica Cassis (; Occitan: ''Cassís'') is a commune situated east of Marseille in the department of Bouches-du-Rhône in the Provence-Alpes-Côte d'Azur region, whose coastline is known in English as the French Riviera, in Southern France. In 2016, i ...

'' Vredenburg 1921 * † '' Cassis brasili'' (Cossmann & Pissarro, 1905) * † '' Cassis calusa'' Petuch and Berschauer 2018 * ''

Cassis cornuta ''Cassis cornuta'', common name the horned helmet, is a species of extremely large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet shells and their allies.Rosenberg, G. (2012). Cassis cornuta (Linnaeus, 1758). Accessed th ...

'' ( Linnaeus,

1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of Systema Naturae, 10th edition of ''Systema Naturae'', the sta ...

) * † '' Cassis costulifera'' Beu 2010 * † ''

Cassis delta Cassis (; Occitan: ''Cassís'') is a commune situated east of Marseille in the department of Bouches-du-Rhône in the Provence-Alpes-Côte d'Azur region, whose coastline is known in English as the French Riviera, in Southern France. In 2016, i ...

'' Parker 1948 * † ''

Cassis depressior Cassis (; Occitan: ''Cassís'') is a commune situated east of Marseille in the department of Bouches-du-Rhône in the Provence-Alpes-Côte d'Azur region, whose coastline is known in English as the French Riviera, in Southern France. In 2016, i ...

'' Martin 1879 * ''

Cassis fimbriata Cassis (; Occitan: ''Cassís'') is a commune situated east of Marseille in the department of Bouches-du-Rhône in the Provence-Alpes-Côte d'Azur region, whose coastline is known in English as the French Riviera, in Southern France. In 2016, it ...

'' Quoy & Gaimard, 1833 * ''

Cassis flammea ''Cassis flammea'' is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails. Distribution ''Cassis flammea'' is found in Florida, the Caribbean, and Bahamas. Its abundance has decre ...

'' ( Linnaeus,

) * † ''

Cassis flintensis Cassis (; Occitan: ''Cassís'') is a commune situated east of Marseille in the department of Bouches-du-Rhône in the Provence-Alpes-Côte d'Azur region, whose coastline is known in English as the French Riviera, in Southern France. In 2016, i ...

'' Mansfield 1940 * † ''

Cassis floridensis Cassis (; Occitan: ''Cassís'') is a commune situated east of Marseille in the department of Bouches-du-Rhône in the Provence-Alpes-Côte d'Azur region, whose coastline is known in English as the French Riviera, in Southern France. In 2016, i ...

'' Tucker and Wilson 1932 * † ''

Cassis glaucoides Cassis (; Occitan: ''Cassís'') is a commune situated east of Marseille in the department of Bouches-du-Rhône in the Provence-Alpes-Côte d'Azur region, whose coastline is known in English as the French Riviera, in Southern France. In 2016, i ...

'' Martin 1879 * † ''

Cassis herklotsi Cassis (; Occitan: ''Cassís'') is a commune situated east of Marseille in the department of Bouches-du-Rhône in the Provence-Alpes-Côte d'Azur region, whose coastline is known in English as the French Riviera, in Southern France. In 2016, i ...

'' Martin 1879 * † ''

Cassis ketteri Cassis (; Occitan: ''Cassís'') is a commune situated east of Marseille in the department of Bouches-du-Rhône in the Provence-Alpes-Côte d'Azur region, whose coastline is known in English as the French Riviera, in Southern France. In 2016, i ...

'' Parodiz and Tripp 1992 * ''

Cassis kreipli ''Cassis kreipli'' is a species of sea snail, a marine gastropod mollusk in the family Cassidae The Cassidae are a taxonomic family of medium-sized, large, and sometimes very large sea snails commonly called helmet snails or bonnet snails. The ...

'' Morrison, 2003 * † '' Cassis lelongi'' Gain, Belliard & Le Renard, 2017 * † '' Cassis maccormacki'' Olsson 1928 * ''

Cassis madagascariensis ''Cassis madagascariensis'', common name the queen helmet, is a marine gastropod mollusc in the family Cassidae, the helmet shells and bonnet shells.Rosenberg, G. (2015). Cassis madagascariensis Lamarck, 1822. In: MolluscaBase (2015). Accesse ...

'' Lamarck, 1822 * † '' Cassis mammillaris'' Grateloup 1927 * '' Cassis nana'' Tenison-Woods, 1879 * † '' Cassis nigellensis'' Gain, Belliard & Le Renard, 2017 * '' Cassis norai'' Prati Musetti, 1995 * '' Cassis nummulitiphila'' Sacco 1890 * † '' Cassis parfouruorum'' Gain, Belliard & Le Renard, 2017 * '' Cassis patamakanthini'' Parth, 2000 * † '' Cassis powelli'' Petuch and Berschauer, 2018 * '' Cassis retusa'' Michelotti 1861 * '' Cassis subtuberosa'' Hanna 1926 * '' Cassis sulcifera'' Sowerby 1850 * '' Cassis tessellata'' Gmelin, 1791 * '' Cassis togata'' White 1887 * ''

Cassis tuberosa ''Cassis tuberosa'', the king helmet, is a species of very large sea snail with a solid, heavy shell, a marine gastropod mollusc in the family Cassidae, the helmet shells and their allies. Distribution This species occurs in the Western At ...

'' ( Linnaeus,

) * '' Cassis vialensis'' Fuchs 1870 Fossils of the sea snails within this genus have been found all over the world in sediments from

Paleocene The Paleocene, ( ) or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya). It is the first epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), E ...

to Recent (age range: 66 to 0 million years ago). Cassidae - Cassis mamillaris

;Species brought into synonymy: * ''Cassis achatina'' Lamarck, 1816: synonym of ''

Semicassis labiata ''Semicassis labiata'' (formerly also known as ''Phalium labiatum'') is a species of large predatory sea snail, a marine gastropod mollusc. This species is in the subfamily Cassinae, the "helmet shells" and "bonnet shells", which feed on sea urch ...

'' (Perry, 1811) * ''Cassis areola'' (Linnaeus, 1758): synonym of ''

Phalium areola ''Phalium areola'', common name the checkerboard bonnet, is a species of sea snail, a marine gastropod mollusc in the subfamily Cassinae, within the family Cassidae the helmet and bonnet shells. It is also known as the checkerboard bonnet s ...

'' (Linnaeus, 1758) * ''Cassis bituberculosa'' Martens, 1901: synonym of '' Echinophoria bituberculosa'' (Martens, 1901) * ''Cassis callosa'' Röding, 1798: synonym of '' Nassarius gibbulosus'' (Linnaeus, 1758) * ''Cassis centiquadrata (''Valenciennes, 1832): synonym of ''

Semicassis centiquadrata ''Semicassis'' is a genus of medium-sized predatory sea snails, marine gastropod molluscs in the subfamily Cassinae within the family Cassidae, the helmet snails and bonnet snails. Species According to the World Register of Marine Species (W ...

'' (Valenciennes, 1832) * ''Cassis cernica'' Sowerby III, 1888: synonym of ''Casmaria ponderosa ponderosa'' (Link, 1807) * ''Cassis coarctata'' G.B. Sowerby I, 1825: synonym of ''

Cypraecassis coarctata ''Cypraecassis'' is a genus of medium-sized to large sea snails, marine gastropod molluscs in the family Cassidae.Bouchet, P. (2012). Cypraecassis Stutchbury, 1837. Accessed through: World Register of Marine Species at http://www.marinespecie ...

'' (G.B. Sowerby I, 1825) * ''Cassis coronadoi'' Crosse, 1867: synonym of ''

Echinophoria coronadoi ''Echinophoria coronadoi'' is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails. Distribution This species occurs in the Caribbean Sea and the Gulf of Mexico. Description ...

'' (Crosse, 1867) * ''Cassis dalli'' Anderson, 1929: synonym of ''

Echinophoria hadra ''Echinophoria'' is a genus of large sea snails, marine gastropod mollusks in the family Cassidae, the helmet snails and bonnet snails.Bouchet, P. (2010). Echinophoria Sacco, 1890. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine ...

'' (Woodring & Olsson, 1957) * ''Cassis glans'' Röding, 1798: synonym of ''

Demoulia abbreviata ''Demoulia abbreviata'', common name : the obtuse demoulia, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.Gofas, S. (2015). Demoulia abbreviata. In: MolluscaBase (2015). Ac ...

'' (Gmelin, 1791) * ''Cassis glauca'' (Linnaeus, 1758): synonym of ''

Phalium glaucum ''Phalium glaucum'', common name the grey bonnet or glaucus bonnet, is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails. Distribution This species is widespread in the Indo-Pac ...

'' (Linnaeus, 1758) * ''Cassis globulus'' Menke, 1829: synonym of ''

Demoulia ventricosa ''Demoulia ventricosa'', common name : the blunt demoulia, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.Gofas, S. (2015). Demoulia ventricosa. In: MolluscaBase (2015). Acc ...

'' (Lamarck, 1816) * ''Cassis gracilenta'' Yokoyama, 1928: synonym of '' Cyllene gracilenta'' (Yokoyama, 1928) * ''Cassis japonica'' Reeve, 1848: synonym of ''

Semicassis bisulcata ''Semicassis bisulcata'', common name: the Japanese bonnet, is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails. Description The size of an adult shell varies between 25&n ...

'' (Schubert & Wagner, 1829) * ''Cassis labrosa'' Martini, 1773: synonym of '' Malea pomum'' (Linnaeus, 1758) * ''Cassis ringens'' Swainson, 1822: synonym of '' Malea ringens'' (Swainson, 1822) * ''Cassis rufa'' (Linnaeus, 1758): synonym of ''

Cypraecassis rufa ''Cypraecassis rufa'' is a species of large sea snail, a marine gastropod mollusc in the family Cassidae. It is commonly known as the bullmouth shell or red helmet shell, and also as the cameo shell. Distribution This species is found of ...

'' (Linnaeus, 1758) * ''Cassis spinosa'' (Gronovius, 1781): synonym of '' Cassis tessellata'' Gmelin, 1791 * ''Cassis tenuis'' Wood, 1828: synonym of ''

Cypraecassis tenuis ''Cypraecassis'' is a genus of medium-sized to large sea snails, marine gastropod molluscs in the family Cassidae.Bouchet, P. (2012). Cypraecassis Stutchbury, 1837. Accessed through: World Register of Marine Species at http://www.marinespecie ...

'' (Wood, 1828) * ''Cassis vibex'' (Linnaeus, 1758): synonym of ''

Casmaria erinaceus ''Casmaria erinaceus'', common name : the common bonnet, is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails. Description The size of an adult shell varies between 20 ...

'' (Linnaeus, 1758) * ''Cassis wyvillei'' Watson, 1886: synonym of ''

Echinophoria wyvillei ''Echinophoria'' is a genus of large sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Cassidae, the helmet snails and bonnet snails.Bouchet, P. (2010). Echinophoria Sacco, 1890. In: Bouchet, P.; Gofas, S.; Ros ...

'' (Watson, 1886)

References

External links

* Cassidae Extant Paleocene first appearances {{Cassidae-stub