List Of Prehistoric Malacostracans
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This list of prehistoric malacostracans illustrates 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 ...
from the fossil record that have ever been considered to be
malacostracan Malacostraca (from New Latin; ) is the largest of the six classes of crustaceans, containing about 40,000 living species, divided among 16 orders. Its members, the malacostracans, display a great diversity of body forms and include crabs, lobst ...
s, a class of
crustacean Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group ...
arthropod Arthropods (, (gen. ποδός)) are invertebrate animals with an exoskeleton, a Segmentation (biology), segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and Arth ...
, excluding purely vernacular terms. The list includes all commonly accepted genera, but also genera that are now considered invalid, 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 ...
''), or were not formally published (''
nomina nuda In taxonomy, a ''nomen nudum'' ('naked name'; plural ''nomina nuda'') is a designation which looks exactly like a scientific name of an organism, and may have originally been intended to be one, but it has not been published with an adequate descr ...
''), 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, and genera that are no longer considered malacostracans. The majority of the genera are from the order
Decapoda The Decapoda or decapods (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crabs, lobsters, crayfish, shrimp and prawns. Most decapods are scavengers. The order is esti ...
, for which a recent synopsis allows invalid names to be excluded.


Order

Decapoda The Decapoda or decapods (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crabs, lobsters, crayfish, shrimp and prawns. Most decapods are scavengers. The order is esti ...


Suborder

Dendrobranchiata Dendrobranchiata is a suborder of Decapoda, decapods, commonly known as prawns. There are 540 extant species in seven families, and a fossil record extending back to the Devonian. They differ from related animals, such as Caridea and Stenopodidea ...

*''
Acanthochirana ''Acanthochirana'' is an extinct genus of prawn that existed during the upper Jurassic period. It was named by E. Strand in 1928, and its type species is ''Acanthochirana cordata''. They are distinguished from the related genus '' Aeger'' by the ...
'' *''
Aeger ''Aeger'' is a genus of fossil prawns. They first occur in the Middle Triassic, and died out at the end of the Late Cretaceous. A total of 21 species are known. Species * '' Aeger brevirostris'' * '' Aeger brodiei'' * ''Aeger elegans'' * '' Aeg ...
'' *'' Albertoppelia'' *''
Ambilobeia ''Ambilobeia'' is an extinct genus of prawn which existed in Ambilobé, Madagascar during the Triassic The Triassic ( ) is a geologic period and system (stratigraphy), system which spans 50.6 million years from the end of the Permian Period 2 ...
'' *''
Antrimpos ''Antrimpos'' is an extinct genus of crustacean which existed during the Triassic and Jurassic periods. It contains 15 species, including ''Antrimpos speciosus ''Antrimpos'' is an extinct genus of crustacean which existed during the Triassic a ...
'' *'' Archeosolenocera'' *''
Benthesicymus ''Benthesicymus'' is a genus of prawns, containing the following species: *'' Benthesicymus altus'' Spence Bate, 1881 *'' Benthesicymus armatus'' MacGilchrist, 1905 *'' Benthesicymus bartletti'' Smith, 1882 *'' Benthesicymus brasiliensis'' Spen ...
'' *'' Bombur'' *''
Bylgia ''Bylgia'' is an extinct genus of prawns in the family Penaeidae, containing 4 species. See also * List of prehistoric malacostracans This list of prehistoric malacostracans illustrates the genera from the fossil record that have ever been co ...
'' *''
Carinacaris ''Carinacaris'' is an extinct genus of penaeid shrimps in the family Penaeidae Penaeidae is a family of marine crustaceans in the suborder Dendrobranchiata, which are often referred to as penaeid shrimp or penaeid prawns. The Penaeidae contai ...
'' *''
Carpopenaeus ''Carpopenaeus'' is an extinct genus of prawn, which existed during the Upper Jurassic and Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the ...
'' *''
Cretapenaeus ''Cretapenaeus berberus'' is an extinct species of prawn which existed in Morocco during the Late Cretaceous period. It is the only species in the genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of ...
'' *''
Cretasergestes ''Cretasergestes sahelalmaensis'' is an extinct species of prawn which existed in Lebanon during the Late Cretaceous The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic ...
'' *''
Drobna ''Drobna deformis'' is an extinct species of prawn Prawn is a common name for small aquatic crustaceans with an exoskeleton and ten legs (which is a member of the order decapoda), some of which can be eaten. The term "prawn"Mortenson, Philip ...
'' *''
Dusa ''Dusa'' is an extinct genus of prawns, in the order Decapoda, containing five species. See also * Dusa (disambiguation) References Penaeidae Prehistoric crustacean genera {{paleo-crustacean-stub ...
'' *''
Hakelocaris ''Hakelocaris vavassorii'' is an extinct species of prawn belonging to the family Penaeidae. It was named in 1994 by Alessandro Garassino, and is the only species in the genus ''Hakelocaris''. These prawns lived during the Cenomanian age. Fos ...
'' *''
Ifasya ''Ifasya'' is an extinct genus of prawn. It contains the species ''Ifasya madagascariensis'' and ''Ifasya straelini'', and was named in 1995 by Alessandro Garassino and Giorgio Teruzzi. It existed in Madagascar during the Lower Triassic The Ea ...
'' *''
Koelga ''Koelga'' is an extinct genus of prawn in the order Decapoda The Decapoda or decapods (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crabs, lobsters, crayfish, s ...
'' *'' Libanocaris'' *''
Longichela ''Longichela orobica'' is an extinct species of prawn which lived in the Norian, and is the only species in the genus ''Longichela''. Distribution Fossils of this species were found only in the Triassic marine strata of Lombardy Lombardy ( it, ...
'' *'' Longitergite'' *''
Macropenaeus ''Macropenaeus'' is an extinct genus of prawn in the order Decapoda, containing two species: the type species ''M. incertus'', known from the Late Cretaceous (Cenomanian) of Lebanon, and ''M. sidiaichensis'' known from the Early Cretaceous (Barr ...
'' *'' Microchela'' *'' Micropenaeus'' *''
Paleomattea ''Paleomattea'' is an extinct genus of prawn, containing the single species ''Paleomattea deliciosa''. The species is only known from the stomach contents of the fish ''Rhacolepis'', which is referred to by the specific epithet ''deliciosa'' (" ...
'' *''
Penaeus ''Penaeus'' is a genus of prawns, including the giant tiger prawn (''P. monodon''), the most important species of farmed crustacean worldwide. The genus has been reorganised following a proposition of Pérez Farfante and Kensley based on morph ...
'' *'' Pseudobombur'' *''
Pseudodusa ''Pseudodusa'' is an extinct genus of prawn, containing only the species ''Pseudodusa frattigianii'', known from the Solnhofen limestones of southern Germany Germany,, officially the Federal Republic of Germany, is a country in Cen ...
'' *''
Rauna Rauna (german: Ronneburg) is a village in Rauna Parish, Smiltene Municipality in the Vidzeme region of Latvia. It is the administrative center of Rauna Parish Rauna Parish ( lv, Raunas pagasts) is an administrative unit of Smiltene Municipali ...
'' *'' Rhodanicaris'' *''
Satyrocaris ''Satyrocaris'' is an extinct genus of prawn in the family Penaeidae that existed during the Triassic in what is now Italy. It was described by Garassino and Teruzzi in 1993, and the type species is ''Satyrocaris cristatus''. References Extern ...
'' *''
Sicyonia ''Sicyonia'' is a genus of prawns, placed in its own family, Sicyoniidae. It differs from other prawns in that the last three pairs of its pleopods are uniramous, rather than biramous as seen in all other prawns. ''Sicyonia'' contains 52 extant ...
''


Infraorder

Stenopodidea The Stenopodidea or boxer shrimps are a small group of decapod crustaceans. Often confused with Caridea shrimp or Dendrobranchiata prawns, they are neither, belonging to their own group. Anatomy They can be differentiated from the Dendrobranc ...

*'' Jilinicaris'' *''
Phoenice Phoenice or Phoenike ( el, Φοινίκη) was an ancient Greek city in Epirus and capital of the Chaonians.: "To the north the Chaonians had expelled the Corcyraeans from their holdings on the mainland and built fortifications at Buthrotum, K ...
''


Infraorder

Caridea The Caridea, commonly known as caridean shrimp or true shrimp, are an infraorder of shrimp within the order Decapoda. This infraorder contains all species of true shrimp. They are found widely around the world in both fresh and salt water. Many ot ...

*'' Acanthinopus'' *''
Alburnia ''Alburnia'' is an extinct genus of shrimp in the order Decapoda The Decapoda or decapods (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crabs, lobsters, crayfish, ...
'' *'' Alcmonacaris'' *'' Bannikovia'' *''
Bechleja ''Bechleja'' is an extinct genus of shrimp which existed during the Eocene The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period ( ...
'' *''
Beurlenia ''Beurlenia'' is an extinct genus of shrimp containing the species ''Beurlenia araripensis''. It is named after the German palaeontologist Karl Beurlen (1901–1985). Fossils of the shrimp were found in the Crato Formation of the Araripe Basin o ...
'' *'' Blaculla'' *'' Buergerocaris'' *''
Caridina ''Caridina'' is a genus of freshwater atyid shrimp. They are widely found in tropical or subtropical water in Asia, Oceania and Africa. They are filter-feeders and omnivorous scavengers. They range from 0.9–9.8 mm ('' C. cantonensis'') t ...
'' *''
Crangon ''Crangon'' is a genus of shrimp. Distribution ''Crangon'' species are found exclusively in the Northern Hemisphere, with most of the species occurring in the northern Pacific Ocean. '' C. septemspinosa'' is the only species in the genus t ...
'' *''
Delclosia ''Delclosia'' is an extinct genus of shrimp in the order Decapoda The Decapoda or decapods (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crabs, lobsters, crayfis ...
'' *'' Gampsurus'' *'' Harthofia'' *'' Hefriga'' *'' Leiothorax'' *''
Micropsalis ''Apterocaulus'' is a genus of beetles in the family Cerambycidae. It is monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not inclu ...
'' *'' Morscrangon'' *'' Notostomus'' *'' Odontochelion'' *'' Oplophorus'' *'' Palaemon'' *''
Pandalus ''Pandalus'' (cold-water prawn) is a genus of shrimp in the family Pandalidae. Members of the genus are medium-sized and live on or near the seabed. Some species are the subject of commercial fisheries and are caught by trawling. One species, ...
'' *'' Parvocaris'' *'' Pasiphaea'' *'' Pinnacaris'' *'' Pleopteryx'' *'' Propalaemon'' *'' Pseudocaridinella'' *'' Schmelingia'' *'' Tonellocaris'' *''
Udora Udora is a small rural community in Ontario, Canada. It has a population estimated to be around 500 and is situated in the most south-eastern part of Georgina, split between York Region and Durham Region. The town was originally known as Snoddon ...
'' *'' Udorella'' *''
Yongjiacaris ''Yongjiacaris'' is an extinct genus of shrimp, which had only one species, ''Yongjiacaris zhejiangensis''. ''Yongjiacaris'' represents the second report of freshwater caridean shrimp from the Mesozoic. The name of the genus ''Yongjiacaris'' ref ...
''


Infraorder

Astacidea Astacidea is an infraorder of decapod crustaceans including lobsters (though not "lobsters" such as the spiny lobster etc.), crayfish, and their close relatives. Description The Astacidea are distinguished from most other decapods by the presen ...

*''
Astacopsis ''Astacopsis'' is a genus of crayfish endemic to the island of Tasmania. There are three extant species, ''Astacopsis gouldi'', ''Astacopsis franklinii'', and ''Astacopsis tricornis''. All are threatened by illegal harvesting, and ''A. gouldi'' i ...
'' *''
Astacus ''Astacus'' (from the Greek , ', meaning "lobster" or "crayfish") is a genus of crayfish found in Europe and western Asia, comprising three extant (living) species and three extinct fossil species. Due to the crayfish plague, crayfish of thi ...
'' *''
Austropotamobius ''Austropotamobius'' is a genus of European crayfish in the family Astacidae. It contains four extant species, and one species known from fossils of Barremian age: *'' Austropotamobius bihariensis'' Pârvulescu 2019 — Idle crayfish *'' Austropo ...
'' *'' Chilenophoberus'' *''
Cricoidoscelosus ''Cricoidoscelosus'' is an extinct genus of crayfish discovered in the Yixian Formation in China, with only the type species, ''C. aethus'', known, that may be one of, if not, the oldest known fossil crayfish to date.Taylor, R.S., Schram, F.R ...
'' *''
Homarus ''Homarus'' is a genus of lobsters, which include the common and commercially significant species ''Homarus americanus'' (the American lobster) and ''Homarus gammarus'' (the European lobster). The Cape lobster, which was formerly in this genus ...
'' *''
Hoploparia ''Hoploparia'' is a genus of fossil lobster belonging to the family Nephropidae. The type species of this genus is ''Hoploparia longimana''. These epifaunal carnivores lived from the Jurassic to the Paleogene The Paleogene ( ; also spelled ...
'' *'' Jagtia'' *'' Lammuastacus'' *'' Malmuncina'' *''
Metanephrops ''Metanephrops'' is a genus of lobsters, commonly known as scampi. Important species for fishery include '' Metanephrops australiensis'' (Australian scampi) and ''Metanephrops challengeri'' (New Zealand scampi). It differs from other lobsters su ...
'' *''
Nephrops ''Nephrops'' is a genus of lobsters comprising a single extant species, ''Nephrops norvegicus'' (the Norway lobster or Dublin Bay prawn), and several fossil species. It was erected by William Elford Leach in 1814, to accommodate ''N. norvegicus' ...
'' *''
Nephropsis ''Nephropsis'' is a genus of lobsters containing 15 extant species: *''Nephropsis acanthura'' Macpherson, 1990 *''Nephropsis aculeata'' Smith, 1881 *''Nephropsis agassizii'' A. Milne-Edwards, 1880 *''Nephropsis atlantica'' Norman, 1882 *''Nephr ...
'' *'' Oncopareia'' *''
Pacifastacus ''Pacifastacus'' is a genus of crayfish native to western North America (USA and Canada), containing six species, two of which are extinct: *†'' Pacifastacus chenoderma'' (fossil: Miocene – Pliocene) *'' Pacifastacus connectens'' *'' Pacifast ...
'' *'' Palaeocambarus'' *''
Palaeoechinastacus ''Palaeoechinastacus australianus'' is a species of freshwater crayfish known from Early Cretaceous fossils from Victoria, Australia. Specimens and stratigraphy ''Palaeoechinastacus'' is known from one partial body fossil, which is the holotype ...
'' *'' Palaeonephrops'' *''
Palaeopalaemon ''Palaeopalaemon'' is an extinct genus of the oldest lobster-like aquatic decapod crustaceans, containing the species ''Palaeopalaemon newberryi''. References {{Taxonbar, from1=Q98077933, from2=Q107155530 Decapods Prehistoric crustacean ge ...
'' *'' Palaeophoberus'' *'' Paraclythia'' *''
Paranephrops ''Paranephrops'' is a genus of freshwater crayfish found only in New Zealand. They are known by the English common names freshwater crayfish and koura, the latter from their Māori name of ''kōura''. The two species are the northern koura, ''Par ...
'' *''
Procambarus ''Procambarus'' is a genus of crayfish in the family Cambaridae, all native to North and Central America. It includes a number of troglobitic species, and the marbled crayfish (''marmorkrebs''), which is parthenogenetic. Originally described as a ...
'' *'' Protastacus'' *'' Pseudastacus'' *'' Pseudohomarus'' *'' Stenochirus'' *'' Tillocheles'' *'' Uncina''


Infraorder

Glypheidea Glypheidea is an infraorder of lobster-like decapod crustaceans, comprising a number of fossil forms and the two extant Extant is the opposite of the word extinct. It may refer to: * Extant hereditary titles * Extant literature, surviving lit ...

*'' Cedrillosia'' *'' Chimaerastacus'' *'' Clytiella'' *'' Clytiopsis'' *'' Enoploclytia'' *''
Eryma ''Eryma'' is a genus of fossil lobster-like crustacean Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, co ...
'' *'' Galicia'' *'' Glaessnericaris'' *''
Glyphea ''Glyphea'' is a genus of fossil Glypheoidea, glypheoid crustaceans that lived from the Jurassic to the Eocene. It includes the following species: *''Glyphea alexandri'' Taylor, 1979 *''Glyphea arborinsularis'' Etheridge Jr., 1917 *''Glyphea a ...
'' *'' Huhatanka'' *'' Jabaloya'' *'' Lissocardia'' *'' Litogaster'' *''
Mecochirus ''Mecochirus'' is an extinct genus of lobster-like decapod crustaceans, containing 17 species. The Maxberg Specimen of ''Archaeopteryx'' was initially assigned to the type species, '' Mechocirus longimanatus'' before it was realised that it bel ...
'' *'' Meyeria'' *'' Palaeastacus'' *'' Paraclytiopsis'' *'' Paralitogaster'' *'' Pemphix'' *'' Platychela'' *'' Platypleon'' *'' Praeatya'' *'' Protoclytiopsis'' *'' Pseudoglyphea'' *'' Pseudopemphix'' *'' Pustulina'' *'' Selenisca'' *'' Sinopemphix'' *'' Squamosoglyphea'' *'' Stenodactylina'' *'' Trachysoma''


Infraorder

Thalassinidea Thalassinidea is a former infraorder of decapod crustaceans that live in burrows in muddy bottoms of the world's oceans. In Australian English, the littoral thalassinidean ''Trypaea australiensis'' is referred to as the ''yabby'' (a term which al ...

*'' Axiopsis'' *'' Axius'' *'' Brecanclawu'' *''
Callianassa ''Callianassa'' is a genus of mud shrimps, in the family Callianassidae. Three of the species in this genus ('' C. candida'', '' C. tyrrhena'' and '' C. whitei'') have been split off into a new genus, '' Pestarella'', while others such as '' Ca ...
'' *'' Callianopsis'' *'' Calliax'' *'' Callichirus'' *'' Comoxianassa'' *'' Corallianassa'' *'' Cowichianassa'' *'' Ctenocheles'' *'' Eoglypturus'' *'' Etallonia'' *'' Eucalliax'' *'' Glypturus'' *'' Gourretia'' *'' Huxleycaris'' *'' Jaxea'' *''
Laomedia In Greek mythology, the Nereids or Nereides ( ; grc, Νηρηΐδες, Nērēḯdes; , also Νημερτές) are sea nymphs (female spirits of sea waters), the 50 daughters of the 'Old Man of the Sea' Nereus and the Oceanids, Oceanid Doris ...
'' *'' Laurentiella'' *'' Lepidophthalmus'' *'' Magila'' *'' Megachela'' *'' Melipal'' *'' Neocallichirus'' *''
Neotrypaea ''Neotrypaea'' is a genus of ghost shrimp in the family Callianassidae, containing the following five species: *'' Neotrypaea biffari'' (Holthuis, 1991) *'' Neotrypaea caesari'' (Heard & R.B. Manning, 2000) *''Neotrypaea californiensis ''Ne ...
'' *'' Nihonotrypaea'' *'' Paki'' *'' Podocallichirus'' *'' Protaxius'' *'' Protocallianassa'' *'' Schlueteria'' *'' Sergio'' *'' Thalassina'' *''
Trypaea ''Trypaea australiensis'', known as the (''marine'') ''yabby'' or ''ghost nipper'' in Australia, or as the ''one-arm bandit'' due to their occasional abnormally large arm, and as the ''Australian ghost shrimp'' elsewhere, is a common species o ...
'' *''
Upogebia ''Upogebia'' is a genus of mud shrimp, in the family Upogebiidae, containing the following species: *'' Upogebia acanthops'' Williams, 1986 *''Upogebia acanthura'' (Coêlho, 1973) *''Upogebia acarinicauda'' Sakai, 2006 *'' Upogebia aestuari'' ...
'' *'' Vegarthron''


Infraorder

Achelata The Achelata is an infra-order of the decapod crustaceans, holding the spiny lobsters, slipper lobsters and their fossil relatives. Description The name "Achelata" derives from the fact that all the members of this group lack the chelae (claws) ...

*'' Archaeocarabus'' *'' Archaeopalinurus'' *'' Astacodes'' *'' Biarctus'' *''
Cancrinos ''Cancrinos'' is a genus of fossil crustacean closely allied with the slipper lobsters. One species is known, ''C. claviger'' from the Jurassic of southern Germany. Taxonomy Fossils of ''Cancrinos'' are rare, and their state of preservation is ...
'' *''
Jasus ''Jasus'' is a genus of spiny lobsters which live in the oceans of the Southern Hemisphere. They have two distinct "horns" projecting from the front of the carapace, but lack the stridulating organs present in almost all other genera of spiny ...
'' *''
Justitia Lady Justice ( la, Iustitia) is an allegorical personification of the moral force in judicial systems. Her attributes are scales, a sword and sometimes a blindfold. She often appears as a pair with Prudentia. Lady Justice originates from the p ...
'' *''
Linuparus ''Linuparus'', the spear lobsters, is a genus of medium-sized to large spiny lobsters in the family Palinuridae. It contains four extant species found at depths of in the Indo-Pacific, and 32 fossil species, ranging from the Early Cretaceous to ...
'' *'' Palaeopalinurus'' *''
Palibacus ''Palibacus praecursor'' is a fossil species of slipper lobster, the only species in the genus ''Palibacus''. It was found in Cenomanian (Cretaceous) deposits at Hakel, Lebanon and described in 1886 by the German palaeontologist W. Dames. Its s ...
'' *'' Palinurina'' *''
Palinurus Palinurus (''Palinūrus''), in Roman mythology and especially Virgil's ''Aeneid'', is the coxswain of Aeneas' ship. Later authors used him as a general type of navigator or guide. Palinurus is an example of human sacrifice; his life is the price ...
'' *''
Panulirus ''Panulirus'' is a genus of spiny lobsters in the family Palinuridae Spiny lobsters, also known as langustas, langouste, or rock lobsters, are a family (Palinuridae) of about 60 species of achelate crustaceans, in the Decapoda Reptantia. Sp ...
'' *''
Parribacus ''Parribacus'' is a genus of slipper lobster Slipper lobsters are a family (Scyllaridae) of about 90 species of achelate crustaceans, in the Decapoda clade Reptantia, found in all warm oceans and seas. They are not true lobsters, but are mo ...
'' *'' Pehuenchia'' *'' Scyllarella'' *''
Scyllarides ''Scyllarides'' is a genus of slipper lobsters. Characteristics ''Scyllarides'' is placed in the subfamily Arctidinae, which is differentiated from other subfamilies by the presence of multiarticulated exopods on all three maxillipeds, and a ...
'' *''
Scyllarus ''Scyllarus'' is a genus of slipper lobsters from the Atlantic Ocean, including the Mediterranean and Caribbean. Until 2002, the genus included far more species, but these are now placed in other genera. The following species remain in ''Scylla ...
'' *''
Tricarina ''Tricarina'' is an extinct genus of crustaceans in order Isopoda, known from a single incomplete fossil specimen from the Cretaceous of western Iran. It has a flattened body with three longitudinal ridges, which give it its name. Sources The si ...
''


Infraorder

Polychelida Polychelida is an infraorder of decapod crustaceans. Fossil representatives are known dating from as far back as the Upper Triassic. A total of 38 extant species, all in the family Polychelidae, and 55 fossil species have been described. Histor ...

*'' Antarcticheles'' *'' Coleia'' *''
Cycleryon ''Cycleryon'' is an extinct genus of decapod crustaceans. The type species is ''Cycleryon propinquus''. These epifaunal carnivores lived during the Jurassic of Germany and France France (), officially the French Republic ( ), is a ...
'' *'' Eryon'' *'' Hasaracancer'' *'' Hellerocaris'' *'' Knebelia'' *'' Palaeopentacheles'' *'' Proeryon'' *'' Pseudocoleia'' *'' Rosenfeldia'' *'' Tetrachela'' *'' Tropifer'' *'' Willemoesiocaris''


Infraorder

Anomura Anomura (sometimes Anomala) is a group of Decapoda, decapod crustaceans, including hermit crabs and others. Although the names of many anomurans include the word ''crab'', all true crabs are in the sister group to the Anomura, the Brachyura (the ...

*''
Acanthogalathea ''Acanthogalathea'' is an extinct genus of squat lobsters in the family Galatheidae. It was extant during the Eocene and Oligocene. It contains six species: * '' Acanthogalathea broglioi'' Beschin ''et al.'', 2016 * ''Acanthogalathea devecchii ...
'' *''
Albunea The Tiburtine Sibyl or Albunea was a Roman sibyl, whose seat was the ancient Etruscan town of Tibur (modern Tivoli). The mythic meeting of Cæsar Augustus with the Sibyl, of whom he inquired whether he should be worshiped as a god, was ofte ...
'' *'' Ammopylocheles'' *'' Anapagurus'' *'' Annieporcellana'' *'' Annuntidiogenes'' *'' Austromunida'' *'' Beripetrolisthes'' *''
Birgus The coconut crab (''Birgus latro'') is a species of terrestrial hermit crab, also known as the robber crab or palm thief. It is the largest terrestrial arthropod in the world, with a weight of up to . It can grow to up to in width from the tip ...
'' *'' Brazilomunida'' *''
Calcinus ''Calcinus'' is a genus of hermit crabs in the family Diogenidae The Diogenidae are a family of hermit crabs, sometimes known as "left-handed hermit crabs" because in contrast to most other hermit crabs, its left chela (claw) is enlarged in ...
'' *'' Calteagalathea'' *''
Ciliopagurus ''Ciliopagurus'' is a genus of hermit crabs, of the family Diogenidae, which are sometimes referred to as the "left-handed hermit crabs", because in contrast to most other hermit crabs, the left chela (claw) is enlarged instead of the right. They ...
'' *''
Clibanarius ''Clibanarius'' is a genus of hermit crabs in the family Diogenidae. Like other hermit crabs, their abdomen is soft-shelled and sheltered in a gastropod shell. Typically marine like all their relatives, the genus includes '' C. fonticola'', the ...
'' *''
Coenobita :''The junior homonym ''Coenobita'' Gistl, 1848 is now the moth genus ''Ectropis''. The genus ''Coenobita'' contains 17 species of terrestrial hermit crabs. Several species in this genus are kept as pets. Ecology ''Coenobita'' species carry wat ...
'' *'' Cretagalathea'' *'' Dardanus'' *'' Diacanthurus'' *''
Diogenes Diogenes ( ; grc, Διογένης, Diogénēs ), also known as Diogenes the Cynic (, ) or Diogenes of Sinope, was a Greek philosopher and one of the founders of Cynicism (philosophy). He was born in Sinope, an Ionian colony on the Black Sea ...
'' *'' Eocalcinus'' *''
Eocarcinus ''Eocarcinus praecursor'' is a Jurassic species of decapod crustacean, sufficiently distinct from its relatives to be placed in its own family (Eocarcinidae). Often considered the oldest true crab, it was considered by a 2010 study to be an ear ...
'' *'' Eomunidopsis'' *'' Eopaguropsis'' *'' Eopetrolisthes'' *'' Eotylaspis'' *''
Eumunida ''Eumunida'' is a genus of squat lobsters. There are 29 recognised species in the genus, the majority of which are from the Pacific Ocean: *'' Eumunida ampliata'' De Saint Laurent & Poupin, 1996 *'' Eumunida annulosa'' De Saint Laurent & Macphe ...
'' *'' Faxegalathea'' *''
Galathea ''Galathea'' is one of the largest genera of squat lobsters, containing 70 currently recognised species (17 in the Atlantic Ocean, 22 in the Indian Ocean and 43 in the Pacific Ocean). Most species of ''Galathea'' live in shallow waters. Species ...
'' *'' Gastrosacus'' *'' Goniochirus'' *'' Harryhausenia'' *'' Haumuriaegla'' *'' Italialbunea'' *'' Jurapylocheles'' *'' Lessinigalathea'' *'' Lobipetrolisthes'' *'' Longoporcellana'' *'' Lophomastix'' *'' Lophoraninella'' *'' Luisogalathea'' *'' Mesogalathea'' *'' Mesoparapylocheles'' *''
Munida ''Munida'' is the largest genus of squat lobsters in the family Munididae, with over 240 species. Species *''Munida abelloi'' Macpherson, 1994 *''Munida acacia'' Ahyong, 2007 *''Munida acantha'' Macpherson, 1994 * ''Munida acola'' Macpherson, 2 ...
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Munidopsis ''Munidopsis'' is a genus of squat lobster. It is the second largest of all the genera of squat lobsters, after ''Munida'', with over 200 species. Its members are mainly found on continental slopes and on abyssal plains. A few fossil species are ...
'' *'' Munitheites'' *'' Orhomalus'' *'' Ovocarcinus'' *''
Pachycheles ''Pachycheles'' is a genus of porcelain crabs in the family Porcellanidae Porcelain crabs are decapod crustaceans in the widespread family Porcellanidae, which superficially resemble true crabs. They have flattened bodies as an adaptation fo ...
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Paguristes ''Paguristes'' is a genus of hermit crab in the family Diogenidae The Diogenidae are a family of hermit crabs, sometimes known as "left-handed hermit crabs" because in contrast to most other hermit crabs, its left chela (claw) is enlarged inst ...
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Pagurus ''Pagurus'' is a genus of hermit crabs in the family Paguridae. Like other hermit crabs, their abdomen is not calcified and they use snail shells as protection. These marine decapod crustaceans are omnivorous, but mostly prey on small animals a ...
'' *'' Palaeomunida'' *'' Palaeomunidopsis'' *''
Palaeopagurus ''Palaeopagurus'' is an extinct genus of hermit crab from the Lower Cretaceous Lower may refer to: *Lower (surname) *Lower Township, New Jersey *Lower Receiver (firearms) *Lower Wick Lower Wick is a small hamlet located in the county of Glo ...
'' *'' Paragalathea'' *''
Paralomis ''Paralomis'' is a genus of king crabs. It includes the following species: *''Paralomis aculeata'' Henderson, 1888 *''Paralomis africana'' Macpherson, 1982 *'' Paralomis alcockiana'' Hall & Thatje, 2009 *'' Paralomis anamerae'' Macpherson, 1988 ...
'' *'' Parapaguristes'' *''
Petrochirus ''Petrochirus'' is a genus of hermit crabs of the family Diogenidae. There are seven described species of the genus. The genus was described by William Stimpson William Stimpson (February 14, 1832 – May 26, 1872) was a noted American scie ...
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Petrolisthes ''Petrolisthes'' is a genus of marine porcelain crabs, containing these extant species: *'' Petrolisthes aegyptiacus'' Werding & Hiller, 2007 *'' Petrolisthes agassizii'' Faxon, 1893 *''Petrolisthes amoenus'' (Guérin-Méneville, 1855) *'' Pet ...
'' *''
Pisidia Pisidia (; grc-gre, Πισιδία, ; tr, Pisidya) was a region of ancient Asia Minor located north of Pamphylia, northeast of Lycia, west of Isauria and Cilicia, and south of Phrygia, corresponding roughly to the modern-day province of An ...
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Platykotta ''Platykotta akaina'' is a species of decapod crustacean from the Triassic of the United Arab Emirates. It is the oldest known fossil from the infraorder Anomura, and is most closely related to '' Eocarcinus praecursor''. Stratigraphy The holo ...
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Polyonyx ''Polyonyx'' is a genus of porcelain crabs in the family Porcellanidae Porcelain crabs are decapod crustaceans in the widespread family Porcellanidae, which superficially resemble true crabs. They have flattened bodies as an adaptation for l ...
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Porcellana ''Porcellana'' is a genus of Decapoda, decapod crustaceans in the widespread family (biology), family Porcellanidae, the porcelain crabs, which superficially resemble true crabs. The genus ''Porcellana'' includes the following species: * ''Por ...
'' *'' Porcellanoidea'' *'' Praealbunea'' *'' Pristinaspina'' *'' Protaegla'' *'' Protomunida'' *'' Pylopagurus'' *'' Retrorsichela'' *''
Shinkaia ''Shinkaia crosnieri'' is a species of squat lobster in a Monotypic taxon, monotypic genus in the family Munidopsidae. S. crosnieri lives in deep-sea hydrothermal vent ecosystems, living off of the chemosynthetic activity of certain bacteria liv ...
'' *'' Spathagalathea'' *'' Stemonopa'' *'' Striadiogenes'' *'' Zygopa''


Infraorder Brachyura

*'' Abyssophthalmus'' *''
Acanthocarpus The genus name ''Acanthocarpus'' may refer to: * ''Acanthocarpus'' (plant), a genus of monocots currently placed in the Asparagaceae * ''Acanthocarpus'' (crab), a genus of crabs in the family Calappidae {{Genus disambiguation ...
'' *'' Acanthodiaulax'' *'' Acantholambrus'' *'' Acanthoportunus'' *''
Achaeus Achaeus is a masculine given name. It may refer to: People * Achaeus of Eretria (born 484 BC), tragic poet * Achaeus of Syracuse (4th century BC), tragic poet * Achaeus (son of Seleucus I Nicator) (3rd century BC), Greek Macedonian nobleman * Ac ...
'' *'' Actaea'' *'' Actaeites'' *''
Actaeodes ''Actaeodes'' is a genus of crabs in the family Xanthidae Xanthidae is a family of crabs known as gorilla crabs, mud crabs, pebble crabs or rubble crabs. Xanthid crabs are often brightly coloured and are highly poisonous, containing toxins wh ...
'' *'' Actaeops'' *'' Actaeopsis'' *''
Actinotocarcinus ''Actinotocarcinus'' is an extinct genus of Miocene crab, and is the only genus in the subfamily Actinotocarcininae of the family Epialtidae, though was originally classified in the family Majidae. ''Actinotocarcinus'' comprises two species, ' ...
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Actumnus ''Actumnus'' is a genus of crabs in the family Pilumnidae. Alongside the 28 extant species, it has a fossil record extending back into the Miocene. Species ''Actumnus'' contains 28 extant species: *'' Actumnus amirantensis'' Rathbun, 1911 *'' ...
'' *'' Ameridromia'' *'' Ampliura'' *'' Amydrocarcinus'' *'' Anaglyptus'' *''
Anatolikos ''Anatolikos'' is a genus of two species of crabs in the family Cancridae. They are recorded from JapanSchweitzer, C. E. and R. M. Feldmann. (2000)Re-evaluation of the Cancridae Latreille, 1802 (Decapoda: Brachyura) including three new genera and ...
'' *'' Andorina'' *'' Anisospinos'' *'' Antarctidromia'' *'' Antarctomithrax'' *'' Araripecarcinus'' *'' Arcania'' *'' Archaeocypoda'' *'' Archaeogeryon'' *'' Archaeoplax'' *'' Archaeopus'' *'' Archaeotetra'' *'' Archaeozius'' *'' Arenaeus'' *'' Arges'' *''
Ashtoret ''Ashtoret'' is a genus of crabs in the family Matutidae, containing the following species: * '' Ashtoret granulosa'' (Miers, 1877) * ''Ashtoret lunaris'' (Forskål, 1775) * '' Ashtoret maculata'' (Miers, 1877) * '' Ashtoret miersii'' (Henderson ...
'' *'' Asthenognathus'' *'' Atelecyclus'' *'' Atergatis'' *'' Aulacopodia'' *''
Austrohelice The tunnelling mud crab, ''Austrohelice crassa'', is a marine large-eyed crab of the family Grapsidae, endemic to the sea coasts of New Zealand. Their carapace A carapace is a Dorsum (biology), dorsal (upper) section of the exoskeleton or she ...
'' *'' Avitelmessus'' *'' Balcacarcinus'' *'' Banareia'' *'' Baricarcinus'' *'' Bartethusa'' *'' Basinotopus'' *'' Bicarinocarcinus'' *'' Bicornisranina'' *'' Binkhorstia'' *'' Bittnereus'' *'' Bittnerilia'' *'' Boschettia'' *'' Brachynotus'' *'' Branchiocarcinus'' *'' Branchiolambrus'' *'' Branchioplax'' *'' Brome'' *'' Bucculentum'' *'' Budapanopeus'' *'' Calappa'' *'' Calappella'' *''
Calappilia ''Calappilia'' is an extinct genus of box crabs belonging to the family Calappidae. The type species of the genus is ''Calappilia verrucosa''. Fossils of crabs within this genus have been found in Italy, United States, Mexico, Chile, and Brazi ...
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Callinectes ''Callinectes'' is a genus of crab Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely ...
'' *'' Caloxanthus'' *'' Camarocarcinus'' *'' Campylostoma'' *''
Cancer Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tumors, which do not spread. Possible signs and symptoms include a lump, abnormal b ...
'' *'' Cancrixantho'' *'' Caprocancer'' *'' Carcineretes'' *'' Carcinoplax'' *''
Carcinus ''Carcinus'' ( '' Karkinos'') is a genus of crabs, which includes ''Carcinus maenas'', an important invasive species, and '' C. aestuarii'', a species endemic to the Mediterranean Sea. ''Carcinus maenas'' ''C. maenas'' is among the 100 "worl ...
'' *'' Cardirhynchus'' *''
Cardisoma ''Cardisoma'' is a genus of large land crabs. Three species formerly placed in this genus are now placed in '' Discoplax''. The four species that remain in ''Cardisoma'' are found in warm coastal regions where they live in burrows. Young individu ...
'' *'' Carinocarcinoides'' *'' Carinocarcinus'' *''
Carpilius ''Carpilius'' is a genus of crabs in the family Carpiliidae, containing the following species: References External links

* * Crabs {{Crab-stub ...
'' *'' Carupa'' *'' Cenocorystes'' *'' Cenomanocarcinus'' *'' Ceronnectes'' *'' Chaceon'' *''
Charybdis Charybdis (; grc, Χάρυβδις, Khárybdis, ; la, Charybdis, ) is a sea monster in Greek mythology. She, with the sea monster Scylla, appears as a challenge to epic characters such as Odysseus, Jason, and Aeneas. Scholarship locates her in t ...
'' *'' Chasmocarcinus'' *'' Cherpiocarcinus'' *'' Chirinocarcinus'' *'' Chlinocephalus'' *'' Chlorodiella'' *'' Chorilia'' *'' Cicarnus'' *'' Coeloma'' *'' Coelopus'' *'' Collinsius'' *'' Colneptunus'' *'' Colpocaris'' *'' Componocancer'' *'' Corallicarcinus'' *'' Corazzatocarcinus'' *''
Corystes ''Corystes cassivelaunus'', the masked crab, helmet crab or sand crab, is a burrowing crab of the North Atlantic and North Sea from Portugal to Norway, which also occurs in the Mediterranean Sea. It may grow up to long (carapace length). The na ...
'' *'' Costacopluma'' *'' Cretachlorodius'' *'' Cretacocarcinus'' *'' Cretacoranina'' *'' Cristafrons'' *'' Cristella'' *'' Cristipluma'' *'' Cronius'' *'' Crossotonotus'' *'' Cryptodromia'' *'' Cryptolutea'' *''
Cryptosoma ''Cryptosoma'' is a genus of crabs in the family Calappidae Calappidae is a family of crabs containing 16 genera, of which 7 are only known as fossils: *''Acanthocarpus'' Stimpson, 1871 *'' Calappa'' Weber, 1795 *† '' Calappella'' Rathbu ...
'' *'' Cyamocarcinus'' *'' Cyclocancer'' *'' Cyclocorystes'' *''
Cyclodius ''Cyclodius'' is a genus of crabs in the family Xanthidae, containing the following species: *''Cyclodius drachi'' (Guinot, 1964) *''Cyclodius granulatus'' (Targioni-Tozzetti, 1877) *''Cyclodius granulosus'' De Man, 1888 *''Cyclodius maculatus' ...
'' *''
Cycloes ''Cycloes'' is a genus of crabs in the family Calappidae Calappidae is a family of crabs containing 16 genera, of which 7 are only known as fossils: *''Acanthocarpus'' Stimpson, 1871 *'' Calappa'' Weber, 1795 *† '' Calappella'' Rathbun, 1 ...
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Cyclograpsus ''Cyclograpsus'' is a genus of crabs, containing the following species: *'' Cyclograpsus audouinii'' H. Milne-Edwards, 1837 *'' Cyclograpsus barbatus'' (MacLeay, 1838) *'' Cyclograpsus beccarii'' Nobili, 1899 *'' Cyclograpsus cinereus'' Dana, 18 ...
'' *'' Cycloprosopon'' *'' Cyclothyreus'' *'' Cycloxanthops'' *'' Cymonomus'' *'' Cyrtorhina'' *'' Dagnaudus'' *'' Daira'' *'' Dakoticancer'' *'' Daldorfia'' *'' Daragrapsus'' *'' Daranyia'' *''
Demania ''Demania'' is a genus of crabs in the family Xanthidae Xanthidae is a family of crabs known as gorilla crabs, mud crabs, pebble crabs or rubble crabs. Xanthid crabs are often brightly coloured and are highly poisonous, containing toxins whic ...
'' *'' Derilambrus'' *'' Diaulax'' *'' Dioratiopus'' *'' Distefania'' *'' Doerflesia'' *'' Dorippe'' *'' Drachiella'' *''
Dromia ''Dromia'' is a genus of crabs in the family Dromiidae. It contains 6 extant species: *'' Dromia bollorei'' Forest, 1974 *''Dromia dormia'' (Linnaeus, 1763) *'' Dromia erythropus'' (George Edwards, 1771) *'' Dromia marmorea'' Forest, 1974 *'' Dro ...
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Dromidia ''Moreiradromia'' is a genus of sponge crabs in the family Dromiidae Dromiidae is a family of crabs, often referred to as sponge crabs. They are small or medium-sized crabs which get their name from the ability to shape a living sponge into a ...
'' *'' Dromilites'' *'' Dromiopsis'' *'' Duncania'' *'' Dynomene'' *'' Dynomenopsis'' *''
Ebalia ''Ebalia'' is a genus of crab in the family Leucosiidae. *'' Ebalia abdominalis'' Nobili, 1906 *'' Ebalia affinis'' Miers, 1881 *'' Ebalia agglomus'' Barnard, 1955 *'' Ebalia barnardi'' Stebbing, 1914 *'' Ebalia bituberculata'' Miers, 1879 *''E ...
'' *'' Ekalakia'' *'' Enoplolambrus'' *'' Enoplonotus'' *'' Eocarpilius'' *'' Eocharybdis'' *'' Eodorippe'' *'' Eodromites'' *'' Eohalimede'' *'' Eoinachoides'' *'' Eomaldivia'' *'' Eomatuta'' *'' Eopalicus'' *'' Eopilumnus'' *'' Eoplax'' *'' Eoprosopon'' *'' Eotrachynotocarcinus'' *'' Eoxanthias'' *'' Epialtus'' *''
Epigodromia ''Epigodromia'' is a genus of crabs within the family Dromiidae, that first appeared during the Holocene The Holocene ( ) is the current geological epoch. It began approximately 11,650 cal years Before Present (), after the Last Glacial Pe ...
'' *'' Epixanthus'' *'' Eriocheir'' *'' Eriosachila'' *''
Eriphia ''Eriphia'' is a genus of marine Crustacean, crustaceans in the family ''Eriphiidae'', commonly known as Sea spider, sea spiders (or pycnogonids). The genus is widely distributed in the world's oceans and includes both Pelagic zone, pelagic (open ...
'' *'' Ethusa'' *'' Etisus'' *'' Etyus'' *'' Etyxanthosia'' *'' Euclosia'' *'' Eucorystes'' *'' Eucrate'' *'' Eumorphactaea'' *''
Eumorphocorystes ''Eumorphocorystes'' is a genus of crab belonging to the Raninidae subfamily Notopodinae. Fossils of the genus have been found in the Late Cretaceous (Maastrichtian) Maastricht Formation of the Netherlands. Rathbun referred specimens from the Ol ...
'' *'' Euphylax'' *'' Euprognatha'' *'' Euronectes'' *'' Eurycarpus'' *'' Euryozius'' *'' Eurypanopeus'' *'' Euryplax'' *'' Eurytium'' *''
Euxanthus ''Euxanthus'' is a genus of crabs in the family Xanthidae Xanthidae is a family of crabs known as gorilla crabs, mud crabs, pebble crabs or rubble crabs. Xanthid crabs are often brightly coloured and are highly poisonous, containing toxins wh ...
'' *'' Falconoplax'' *'' Falsiportunites'' *'' Feldmannia'' *''
Forestia ''Forestia'' is a genus of crabs in the family Xanthidae, containing the following species: * '' Forestia abrolhensis'' (Montgomery, 1931) * '' Forestia depressa'' (White, 1848) * '' Forestia pascua'' Garth, 1985 * '' Forestia scabra'' (Odhner, ...
'' *''
Fredericia Fredericia () is a town located in Fredericia Municipality in the southeastern part of the Jutland peninsula in Denmark. The city is part of the Triangle Region, which includes the neighbouring cities of Kolding and Vejle. It was founded in 16 ...
'' *'' Gabriella'' *'' Gaillardiellus'' *'' Galene'' *'' Galenopsis'' *'' Garthiope'' *'' Gastrodorus'' *'' Gecchelicarcinus'' *'' Gemmacarcinus'' *'' Gemmellarocarcinus'' *'' Geothelphusa'' *'' Gillcarcinus'' *'' Glabropilumnus'' *'' Glaessneropsis'' *''
Glebocarcinus ''Glebocarcinus'' is a genus of crabs formerly included in the genus ''Cancer Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tum ...
'' *'' Globihexapus'' *'' Glyphithyreus'' *'' Glyptodynomene'' *'' Glyptoxanthus'' *'' Gollincarcinus'' *'' Gomezinus'' *''
Goneplax ''Goneplax'' is a genus of crabs, containing the following extant species: *'' Goneplax barnardi'' (Capart, 1951) *'' Goneplax clevai'' Guinot & Castro, 2007 *''Goneplax rhomboides'' (Linnaeus, 1758) *'' Goneplax sigsbei'' (A. Milne-Edwards, 1880 ...
'' *'' Goniochele'' *'' Goniocypoda'' *'' Goniodromites'' *'' Graptocarcinus'' *'' Guinotosia'' *'' Halimede'' *'' Harenacorystes'' *'' Harpactocarcinus'' *'' Harpactoxanthopsis'' *'' Haydnella'' *'' Hebertides'' *'' Heeia'' *'' Heikeopsis'' *''
Hemigrapsus ''Hemigrapsus'' is a genus of varunid crabs comprising thirteen species native almost exclusively in the Pacific Ocean, but two have been introduced to the North Atlantic region. Biogeography The natural range of the genus is restricted to th ...
'' *'' Hemioon'' *'' Hepatella'' *'' Hepatinulus'' *'' Hepatiscus'' *''
Hepatus ''Hepatus'' is a genus of crabs in the family Aethridae, containing seven extant species, plus some fossil species: * '' Hepatus chiliensis'' H. Milne-Edwards, 1837 * ''Hepatus epheliticus ''Hepatus epheliticus'', known by various names, in ...
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Herbstia ''Herbstia'' is a genus of crabs, containing the following eleven species: *'' Herbstia camptacantha'' (Stimpson, 1871) *'' Herbstia condyliata'' (Fabricius, 1787) *'' Herbstia crassipes'' (H. Milne-Edwards, 1873) *'' Herbstia depressa'' Stim ...
'' *''
Heteractaea ''Heteractaea'' is a genus of crabs in the family Xanthidae Xanthidae is a family of crabs known as gorilla crabs, mud crabs, pebble crabs or rubble crabs. Xanthid crabs are often brightly coloured and are highly poisonous, containing toxins ...
'' *'' Heteronucia'' *'' Heteropanope'' *'' Heus'' *'' Hexapanopeus'' *''
Hexapus ''Hexapus'' is a genus of crabs in the family Hexapodidae. It contains only three Extant taxon, extant species found in the Indo-West Pacific. They inhabit the intertidal and subtidal areas of shorelines. Description Like other members of the ...
'' *'' Hillius'' *'' Holcocarcinus'' *'' Homelys'' *'' Homola'' *'' Homoliformis'' *'' Homolodromia'' *'' Homolopsis'' *'' Hoplitocarcinus'' *''
Hyas Hyas ( grc, Ὑάς, Hūás, ; ), in Greek mythology, was a Boeotian who was regarded as the ancestor of the ancient Hyantes (Boeotians). His name means rain from ''hyô, hyetos.'' Family Hyas was the son of the Titan Atlas and either of the ...
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Hyastenus ''Hyastenus'' is a genus of crabs in the family Epialtidae, subfamily Pisinae Pisinae is a subfamily of crabs in the family Epialtidae, comprising the following genera: * '' Acanthophrys'' A. Milne-Edwards, 1865 * '' Anamathia'' Smith, 188 ...
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Hypocolpus ''Hypocolpus'' is a genus of crabs in the family Xanthidae, containing the following species: *''Hypocolpus abbotti'' (Rathbun, 1894) *''Hypocolpus diverticulatus'' (Strahl, 1861) *''Hypocolpus guinotae'' Vannini, 1982 *''Hypocolpus haanii'' Rat ...
'' *'' Ibericancer'' *''
Icriocarcinus ''Icriocarcinus'' is an extinct genus of crab from the Maastrichtian or Campanian of Baja California, Mexico, and Merced County, California Merced County ( ), is a county located in the northern San Joaquin Valley section of the Central Val ...
'' *'' Ilia'' *'' Iliacantha'' *''
Inachus In Greek mythology, Inachus, Inachos or Inakhos (Ancient Greek: Ἴναχος) was the first king of Argos, Peloponnese, Argos after whom a river was called Inachos (river), Inachus River,Bibliotheca (Pseudo-Apollodorus), Apollodorus2.1.1/ref> t ...
'' *'' Iphiculus'' *'' Ixa'' *'' Jacquinotia'' *'' Jakobsenius'' *'' Jonesius'' *'' Karasawaia'' *'' Kerepesia'' *'' Kierionopsis'' *'' Kowaicarcinus'' *'' Kromtitis'' *''
Lachnopodus ''Lachnopodus'' is a genus of crabs in the family Xanthidae Xanthidae is a family of crabs known as gorilla crabs, mud crabs, pebble crabs or rubble crabs. Xanthid crabs are often brightly coloured and are highly poisonous, containing toxins ...
'' *'' Laevicarcinus'' *'' Laeviprosopon'' *'' Laleonectes'' *'' Lambropsis'' *'' Lathahypossia'' *'' Latheticocarcinus'' *'' Latulambrus'' *'' Lecythocaris'' *'' Leiolambrus'' *'' Leptodius'' *''
Leptomithrax ''Leptomithrax'' is a genus of crabs in the family Majidae, first described by Edward J. Miers in 1876. They have been on Earth for 37.2 million years. Species Extant species * '' Leptomithrax australis'' (Jacquinot in Jacquinot & Lucas, ...
'' *'' Lessinioplax'' *'' Leucosia'' *'' Leucosilia'' *'' Leurocyclus'' *'' Levicyclus'' *'' Liagore'' *'' Lianira'' *''
Libinia ''Libinia'' is a genus of crabs in the family Epialtidae, containing twelve extant species: *'' Libinia bellicosa'' Oliviera, 1944 *'' Libinia cavirostris'' Chace, 1942 *''Libinia dubia'' H. Milne-Edwards, 1834 *'' Libinia erinacea'' (A. Milne ...
'' *''
Libystes ''Libystes'' is a genus of crab Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely un ...
'' *'' Lignihomola'' *'' Liocarcinus'' *'' Liocaris'' *'' Liomera'' *'' Lipaesthesius'' *''
Lissocarcinus ''Lissocarcinus'' is a genus 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 ...
'' *'' Lissopsis'' *'' Lithophylax'' *'' Litograpsus'' *''
Lobocarcinus ''Lobocarcinus'' is a genus of extinct marine crabs that lived in the Eocene through Pliocene, containing these species: *''Lobocarcinus sismondai'' *''Lobocarcinus lumacopius'' * ''Lobocarcinus pustulosus'' * ''Lobocarcinus paulinowurtemberben ...
'' *'' Lobogalenopsis'' *'' Lobonotus'' *'' Lobulata'' *'' Loerentheya'' *'' Loerenthopluma'' *'' Londinimola'' *'' Longodromites'' *'' Longusorbis'' *'' Lophopanopeus'' *'' Lophoranina'' *'' Lovarina'' *'' Loxorhynchus'' *'' Lucanthonisia'' *'' Lupeites'' *''
Lupocyclus ''Lupocyclus'' is a genus of crabs, containing six species: *''Lupocyclus inaequalis'' (Walker, 1887) *''Lupocyclus mauriciensis'' Ward, 1942 *''Lupocyclus philippinensis'' Semper, 1880 (scissor swimming crab) *''Lupocyclus quinquedentatus'' Rath ...
'' *''
Lydia Lydia (Lydian language, Lydian: ‎𐤮𐤱𐤠𐤭𐤣𐤠, ''Śfarda''; Aramaic: ''Lydia''; el, Λυδία, ''Lȳdíā''; tr, Lidya) was an Iron Age Monarchy, kingdom of western Asia Minor located generally east of ancient Ionia in the mod ...
'' *'' Lyreidina'' *''
Lyreidus ''Lyreidus'' is a genus of crabs in the family Raninidae, containing the following species: *'' Lyreidus brevifrons'' Sakai, 1937 *'' Lyreidus stenops'' Wood-Mason, 1887 *''Lyreidus tridentatus ''Lyreidus tridentatus'' is a species of crab i ...
'' *'' Macroacaena'' *''
Macrocheira The Japanese spider crab (''Macrocheira kaempferi'') is a species of marine crab that lives in the waters around Japan. It has the largest known leg-span of any arthropod. It goes through three main larval stages along with a prezoeal stage to gr ...
'' *'' Macromedaeus'' *''
Macrophthalmus ''Macrophthalmus'' is a genus of crabs which are widespread across the Indo-Pacific. It contains the following species (arranged into subgenera In biology, a subgenus (plural: subgenera) is a taxonomic rank directly below genus. In the Inter ...
'' *'' Macropipus'' *'' Maeandricampus'' *'' Magyarcarcinus'' *'' Maingrapsus'' *'' Mainhepatiscus'' *'' Maja'' *'' Marocarcinus'' *'' Martinetta'' *'' Martinocarcinus'' *'' Marycarcinus'' *'' Mascaranada'' *'' Matutites'' *'' Maurimia'' *''
Medaeops ''Medaeops'' is a genus of crabs in the family Xanthidae, containing the following species: *''Medaeops edwardsi'' Guinot, 1967 *''Medaeops gemini'' Davie, 1997 *''Medaeops granulosus'' (Haswell, 1882) *''Medaeops merodontos'' Davie, 1997 *''Me ...
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Medaeus ''Medaeus'' is a genus of crabs in the family Xanthidae, containing the following species: *''Medaeus aztec'' Davie, 1997 *''Medaeus danielita'' Mendoza & Ng, 2010 *''Medaeus elegans'' A. Milne-Edwards, 1867 *''Medaeus grandis'' Davie, 1993 *''M ...
'' *'' Medorippe'' *'' Megamia'' *'' Megaxantho'' *'' Megokkos'' *'' Menippe'' *'' Mesodromilites'' *'' Mesolambrus'' *'' Mesorhoea'' *''
Metacarcinus ''Metacarcinus'' is a genus of crabs formerly included in the genus ''Cancer''. It includes nine exclusively fossil species and five extant species, of which four are also known from the fossil record. A molecular study using the cytochrome oxi ...
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Metopograpsus ''Metopograpsus'' is a genus of crabs, containing the following extant species: *'' Metopograpsus frontalis'' Miers, 1880 *'' Metopograpsus latifrons'' (White, 1847) *'' Metopograpsus messor'' (Forsskål, 1775) *'' Metopograpsus oceanicus'' (Ho ...
'' *'' Metopoxantho'' *'' Micippa'' *'' Microcorystes'' *'' Microdium'' *'' Micromaia'' *'' Micromithrax'' *''
Micropanope ''Micropanope'' is a genus of crabs in the family Xanthidae, containing one exclusively fossil species and the following species: * ''Micropanope ashcrafti'' Garth, 1986 * ''Micropanope cristimanus'' Stimpson, 1871 * ''Micropanope lata'' (Faxon ...
'' *'' Minohellenus'' *'' Miocyclus'' *'' Miograpsus'' *'' Miopipus'' *'' Mioplax'' *'' Miosesarma'' *'' Mioxaiva'' *'' Mithracia'' *'' Mithracites'' *'' Mithraculus'' *''
Mithrax ''Mithrax'' is a genus of spider crabs in the family Mithracidae Mithracidae is a family of crustaceans belonging to the order Decapoda. Genera Genera: *''Ala'' *'' Amphithrax'' *''Hemus'' *'' Maguimithrax'' *'' Microphrys'' *'' Mithra ...
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Monodaeus ''Monodaeus'' is a genus of crabs in the family Xanthidae, containing the following species: * ''Monodaeus arnaudi'' Guinot & Macpherson, 1988 * ''Monodaeus couchii'' (Couch, 1851) * ''Monodaeus cristulatus'' Guinot & Macpherson, 1988 * ''Monod ...
'' *'' Montezumella'' *''
Mursia ''Mursia'' is a genus of crabs in the family Calappidae, containing the following species: * ''Mursia africana'' Galil, 1993 * ''Mursia armata'' De Haan, 1837 * ''Mursia aspera'' Alcock, 1899 * ''Mursia aurorae'' Galil & Ng, 2009 * ''Mursia aust ...
'' *'' Mursilata'' *'' Mursilia'' *''
Mursiopsis ''Mursiopsis'' is an extinct genus of box crabs belonging to the family Calappidae Calappidae is a family of crabs containing 16 genera, of which 7 are only known as fossils: *''Acanthocarpus'' Stimpson, 1871 *'' Calappa'' Weber, 1795 *† ...
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Myra Myra ( grc, Μύρα, ''Mýra'') was a Lycian, then ancient Greek, then Greco-Roman, then Byzantine Greek, then Ottoman town in Lycia, which became the small Turkish town of Kale, renamed Demre in 2005, in the present-day Antalya Province of ...
'' *'' Nanocassiope'' *'' Nanomaja'' *'' Nanoplax'' *''
Necora The velvet crab, or alternately ''velvet swimming crab'', ''devil crab'', “fighter crab”, or ''lady crab,'' ''Necora puber'', is a species of crab from the North-East Atlantic and the Mediterranean. It is the largest of the swimming crab fam ...
'' *'' Necrocarcinus'' *'' Necronectes'' *'' Nemausa'' *'' Neodorippe'' *''
Neoliomera ''Neoliomera'' is a genus of crabs in the family Xanthidae, containing the following species: *''Neoliomera cerasinus'' Ng, 2002 *''Neoliomera demani'' Forest & Guinot, 1961 *''Neoliomera insularis'' (Adams & White, 1849) *''Neoliomera intermedi ...
'' *'' Neomeria'' *'' Neosarmatium'' *'' Neozanthopsis'' *'' Neptocarcinus'' *'' Nipponopon'' *'' Nitotacarcinus'' *'' Nobilum'' *'' Nodoprosopon'' *'' Noetlingia'' *'' Nogarolia'' *'' Notocarcinus'' *'' Notomithrax'' *'' Notopocorystes'' *'' Notopoides'' *''
Notopus ''Notopus'' is a genus of frog crabs from the family Raninidae, it consists of a single extant species and two extinct species. Species The three species classified under ''Notopus'' are set out below together with the geological frame for the t ...
'' *'' Notosceles'' *'' Nucia'' *'' Nucilobus'' *''
Nursia Norcia (), traditionally known in English by its Latin name of Nursia (), is a town and comune in the province of Perugia (Italy) in southeastern Umbria. Unlike many ancient towns, it is located in a wide plain abutting the Monti Sibillini, a su ...
'' *'' Ocalina'' *''
Ocypode ''Ocypode'' is a genus of ghost crabs found in the sandy shores of tropical and subtropical regions throughout the world. They have a box-like body, thick and elongated eyestalks, and one claw is larger than the other in both males and female ...
'' *'' Oedisoma'' *'' Olinaecaris'' *'' Ommatocarcinus'' *'' Oonoton'' *'' Ophthalmoplax'' *'' Orbitoplax'' *'' Oregonia'' *'' Orithopsis'' *'' Orthakrolophos'' *''
Osachila ''Osachila'' is a genus of crab Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely un ...
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Ovalipes ''Ovalipes'' is a genus of crabs in the family (biology), family Ovalipidae, containing 11 extant species: *''Ovalipes australiensis'' Stephenson & Rees, 1968 *''Ovalipes catharus'' (White, 1843) *''Ovalipes elongatus'' Stephenson & Rees, 1968 *' ...
'' *'' Ovamene'' *''
Oxythyreus ''Oxythyreus'' is a genus of ambush bugs. Species in this genus are known only from southern Africa. Species include: * ''Oxythyreus slateri'' Doesburg & Pluot-Sigwalt, 2007 * ''Oxythyreus ruckesi'' Kormilev, 1962 * ''Oxythyreus cylindricornis ...
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Ozius ''Ozius'' is a genus of crabs in the family Menippidae, containing the following species: *'' Ozius deplanatus'' (White, 1847) *'' Ozius granulosus'' De Man, 1879 *'' Ozius guttatus'' H. Milne-Edwards, 1834 *'' Ozius hawaiiensis'' Rathbun, 1902 ...
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Pachygrapsus ''Pachygrapsus'' is a genus of small shore crabs. Recent genetic data suggest this genus to be possibly polyphyletic A polyphyletic group is an assemblage of organisms or other evolving elements that is of mixed evolutionary origin. The te ...
'' *'' Pakicarcinus'' *'' Palaeocarpilius'' *'' Palaeodromites'' *'' Palaeograpsus'' *'' Palaeomyra'' *'' Palaeopinnixa'' *'' Palaeopsopheticus'' *'' Palaeotrichia'' *'' Palaeoxantho'' *'' Palaeoxanthops'' *'' Palaeoxanthopsis'' *'' Palehomola'' *''
Palicus ''Palicus'' is a genus of stilt crabs 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 purpose of the family is to mai ...
'' *'' Palmyria'' *''
Panopeus Panopeus (), or Phanoteus (the name is given in a variety of forms in the ancient sources), was a Greek town of ancient Phocis, near the frontier of Boeotia, and on the road from Daulis to Chaeronea. Pausanias said that Panopeus was 20 stadia from ...
'' *'' Panticarcinus'' *'' Paracleistostoma'' *'' Paracorallicarcinus'' *''
Paractaea ''Paractaea'' is a genus of crabs in the family Xanthidae, containing the following species: *''Paractaea excentrica'' Guinot, 1969 *''Paractaea garretti'' (Rathbun, 1906) *''Paractaea indica'' Deb, 1985 *''Paractaea margaritaria'' (A. Milne-Ed ...
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Paracyclois ''Paracyclois'' is a genus of crabs in the family Calappidae Calappidae is a family of crabs containing 16 genera, of which 7 are only known as fossils: *''Acanthocarpus'' Stimpson, 1871 *'' Calappa'' Weber, 1795 *† '' Calappella'' Rathbu ...
'' *'' Paradorippe'' *'' Paradoxicarcinus'' *'' Paranecrocarcinus'' *'' Paranursia'' *'' Paraocalina'' *'' Parapirimela'' *'' Paratetralia'' *''
Parathranites ''Parathranites'' is a genus of crab Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirel ...
'' *'' Paratumidocarcinus'' *'' Paraverrucoides'' *'' Paraxanthias'' *'' Paraxanthosia'' *'' Pariphiculus'' *''
Paromola ''Paromola'' is a genus of crabs within the family Homolidae. Species * '' Paromola bathyalis'' * '' Paromola crosnieri'' * ''Paromola cuvieri ''Paromola cuvieri'' is a species of crab in the family Homolidae, the carrier crabs. It occ ...
'' *'' Paromolopsis'' *'' Parthenope'' *'' Peloeus'' *'' Periacanthus'' *'' Persephona'' *''
Phalangites The Macedonian phalanx ( gr, Μακεδονική φάλαγξ) was an infantry formation developed by Philip II from the classical Greek phalanx, of which the main innovation was the use of the sarissa, a 6 meter pike. It was famously commanded b ...
'' *'' Philyra'' *'' Phlyctenodes'' *'' Phrynolambrus'' *'' Pilodius'' *'' Pilumnomimus'' *'' Pilumnopeus'' *''
Pilumnus In Roman mythology, Pilumnus ("staker") was a nature deity, brother of Picumnus. He ensured children grew properly and stayed healthy. Ancient Romans made an extra bed after the birth of a child in order to ensure the help of Pilumnus. He also ...
'' *'' Pinnixa'' *'' Pinnotheres'' *''
Pirimela ''Pirimela'' is a genus of crab containing a single species, ''Pirimela denticulata''. Description ''Pirimela denticulata'' is a "small, pretty crab", up to long and across the carapace. Its colouring is mostly green, with mottling of brown, ...
'' *''
Pisa Pisa ( , or ) is a city and ''comune'' in Tuscany, central Italy, straddling the Arno just before it empties into the Ligurian Sea. It is the capital city of the Province of Pisa. Although Pisa is known worldwide for its leaning tower, the cit ...
'' *'' Pisoides'' *''Pisomaja'' *''Pitho'' *''Pithonoton'' *''Plagiophthalmus'' *''Planes (genus), Planes'' *''Planoprosopon'' *''Platepistoma'' *''Platylambrus'' *''Platypodia'' *''Pleolobites'' *''Pliopirimela'' *''Podocatactes'' *''Podophthalmus'' *''Polycnemidium'' *''Pororaria'' *''Portufuria'' *''Portumnus'' *''Portunites'' *''Portunus'' *''Potamon'' *''Potamonautes'' *''Preclarocarcinus'' *''Pregeryona'' *''Prehepatus'' *''Priabonella'' *''Priabonocarcinus'' *''Prochlorodius'' *''Prohomola'' *''Prosopon (crab), Prosopon'' *''Proterocarcinus'' *''Protuberosa'' *''Proxicarpilius'' *''Psammocarcinus'' *''Psammograpsus'' *''Pseudoachelous'' *''Pseudocarcinus'' *''Pseudodaranyia'' *''Pseudohepatiscus'' *''Pseudomicippe'' *''Pseudonecrocarcinus'' *''Pseudophilyra'' *''Pseudophlyctenodes'' *''Pseudorhombila'' *''Psopheticus'' *''Psygmophthalmus'' *''Pterocarcinus'' *''Pugettia'' *''Pulalius'' *''Pyromaia'' *''Quasilaeviranina'' *''Rakosia'' *''Randallia'' *''Ranidina'' *''Ranilia'' *''Raniliformis'' *''Ranina'' *''Raninella'' *''Raninoides'' *''Rathbunella'' *''Rathbunopon'' *''Remia'' *''Retrocypoda'' *''Retropluma'' *''Rhachiosoma'' *''Rhinodromia'' *''Rhinolambrus'' *''Rhinopoupinia'' *''Rocacarcinus'' *''Rochinia'' *''Roemerus'' *''Rogueus'' *''Romaleon'' *''Rugafarius'' *''Sabahranina'' *''Sabellidromites'' *''Sandomingia'' *''Santeecarcinus'' *''Santeella'' *''Santeexanthus'' *''Sarahcarcinus'' *''Saratunus'' *''Schizophroida'' *''Schizophrys'' *''Sculptoplax'' *''Scylla (crustacean), Scylla'' *''Scyra'' *''Secretanella'' *''Seorsus (crab), Seorsus'' *''Sereneopeus'' *''Serenius'' *''Sesarma'' *''Sestrostoma'' *''Sharnia'' *''Shazella'' *''Silvacarcinus'' *''Simonellia'' *''Sodakus'' *''Speleophorus'' *''Speocarcinus'' *''Spinipalicus'' *''Stenocionops'' *''Stenodromia'' *''Stenorhynchus'' *''Stephanometopon'' *''Stevea'' *''Stintonius'' *''Stoaplax'' *''Styrioplax'' *''Sylviocarcinus'' *''Symethis'' *''Syphax (crab), Syphax'' *''Szaboa'' *''Tanidromites'' *''Tanzanonautes'' *''Tasadia'' *''Tehuacana'' *''Telamonocarcinus'' *''Teleophrys'' *''Tenuihomola'' *''Tepexicarcinus'' *''Tetracarcinus'' *''Tetralia'' *''Tetraxanthus'' *''Thalamita'' *''Thalamitoides'' *''Thelecarcinus'' *''Thelphusograpsus'' *''Thia'' *''Thoe (crab), Thoe'' *''Titanocarcinus'' *''Titanodorippe'' *''Tithonohomola'' *''Tokoyo (crab), Tokoyo'' *''Tongapapaka'' *''Torynomma'' *''Trachynotocarcinus'' *''Trachypirimela'' *''Trapezia'' *''Trechmannius'' *''Tribolocephalus'' *''Trichopeltarion'' *''Tritodynamia'' *''Tumidocarcinus'' *''Tutankhamen (crab), Tutankhamen'' *''Tutus'' *''Tylocarcinus'' *''Tymolus'' *''Typhlocarcinus'' *''Typilobus'' *''Uca'' *''Uhlias'' *''Umalia'' *''Urnalana'' *''Utica (crab), Utica'' *''Vanuachela'' *''Vectis (crab), Vectis'' *''Verrucarcinus'' *''Verrucoides'' *''Viacarcinus'' *''Viaophthalmus'' *''Viapinnixa'' *''Viaplax'' *''Wanga (crab), Wanga'' *''Wilmingtonia'' *''Wilsonimaia'' *''Withersella'' *''Woodbinax'' *''Wulaicarcinus'' *''Xaiva'' *''Xandaros'' *''Xanthias (crab), Xanthias'' *''Xanthilites'' *''Xantho'' *''Xanthodius'' *''Xanthosia (crab), Xanthosia'' *''Xanthosioides'' *''Xeinostoma'' *''Xenophthalmus'' *''Zanthopsis'' *''Zaops'' *''Zosimus (crab), Zosimus'' *''Zygastrocarcinus''


Order Aeschronectida

*''Aenigmacaris'' *''Aratidecthes'' *''Crangopsis'' *''Joanellia'' *''Kallidecthes''


Order Amphipoda

*''Gammarus'' *''Melita (crustacean), Melita'' *''Praegmelina''


Order Angustidontida

* ''Angustidontus'' * ''Schramidontus''


Order Archaeostraca

*''Aristozoe'' *''Baituganocaris'' *''Callizoe'' *''Caryocaris'' *''Ceratiocaris'' *''Dictyocaris'' *''Dilophaspis'' *''Dithyrocaris'' *''Echinocaris'' *''Eleutherocaris'' *''Elymocaris'' *''Gonatocaris'' *''Guerichicaris'' *''Hebertocaris'' *''Heroldina'' *''Kerfornecaris'' *''Lebesconteia'' *''Macrocaris'' *''Montecaris'' *''Nahecaris'' *''Ohiocaris'' *''Orozoe'' *''Pephricaris'' *''Ptychocaris'' *''Pygocaris'' *''Rhinocaris'' *''Schugurocaris'' *''Trigonocarys'' *''Tropidocaris''


Order Belotelsonidea

*''Belotelson''


Order Cumacea

*''Nannastacus'' *''Palaeocuma''


Order Eocaridacea

*''Anthracophausia'' *''Devonocaris'' *''Eocaris'' *''Essoidea'' *''Palaemysis''


Order Hoplostraca

*''Kellibrookia'' *''Sairocaris''


Order Hymenostraca

*''Hymenocaris''


Order Isopoda

*''Anhelkocephalon'' *''Archaeoniscus'' *''Archaeosphaeroma'' *''Cirolana'' *''Cyclosphaeroma'' *''Cymatoga'' *''Cymodoce (crustacean), Cymodoce'' *''Elioserolis'' *''Eocopea'' *''Eosphaeroma'' *''Hesslerella'' *''Heterosphaeroma'' *''Isopodites'' *''Palaega'' *''Palaeocrangon'' *''Palaeophreatoicus'' *''Proidotea'' *''Protamphisopus'' *''Protosphaeroma'' *''Saduria'' *''Sphaeroma'' *''Triassphaeroma'' *''Unusuropode'' *''Urda (crustacean), Urda''


Order Leptostraca

*''Rhabdouraea''


Order Lophogastrida

*''Eucopia'' *''Lophogaster'' *''Peachocaris'' *''Schimperella''


Order Mysidacea

*''Anthracaris'' *''Bellocaris'' *''Elder (crustacean), Elder'' *''Francocaris'' *''Jerometichenoria'' *''Mamayocaris'' *''Notocaris'' *''Paramysis'' *''Paulocaris'' *''Pseudogalathea'' *''Pseudotealliocaris'' *''Pygocephalus'' *''Siriella'' *''Tylerocaris''


Order Palaeostomatopoda

*''Archaeocaris'' *''Bairdops'' *''Eopteridium''


Phyllocarida ''incertae sedis''

*''Aptychopsis'' *''Discinocaris'' *''Peltocaris'' *''Protocimex''


Order Mantis shrimp, Stomatopoda

*''Angelosquilla'' *''Bathysquilla'' *''Chloridella'' *''Gonodactylus'' *''Gorgonophontes'' *''Hemisquilla'' *''Lysiosquilla'' *''Palaeosquilla'' *''Perimecturus'' *''Pseudosculda'' *''Pseudosquilla'' *''Sculda'' *''Squilla'' *''Topangasquilla'' *''Tyrannophontes''


Order Tanaidacea

*''Acadiocaris'' *''Anthracocaris'' *''Carlclausus'' *''Cretitanais'' *''Eucryptocaris'' *''Jurapseudes'' *''Ophthalmapseudes'' *''Palaeotanais''


Order Waterstonellidea

*''Waterstonella''


See also

* List of prehistoric barnacles * List of prehistoric brittle stars * List of prehistoric sea cucumbers * List of crinoid genera


References

{{reflist, 32em Prehistoric Malacostraca, list of Lists of prehistoric arthropods