World Marine Species Order: Decapoda

Taxonomy Structure

Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda

World Marine Species under Order Decapoda

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Alpheopsis trigonus

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Alpheus armatus

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Atelecyclus undecimdentatus

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Calappa flammea

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Calappa granulata

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Calappa gallus

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Calappa ocellata

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Callianassa tyrrhena

Cancer pagurus
1 photo(s)

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Sub-structure

Family: Acidopsidae
- Genus: Acidops
- Genus: Parapilumnus
Family: Aeglidae
- Genus: Aegla
Family: Aethridae
- Genus: Actaeomorpha
- Genus: Aethra
- Genus: Hepatella
- Genus: Hepatus
- Genus: Osachila
- Genus: Sakaila
Family: Agostocarididae
- Genus: Agostocaris
Family: Albuneidae
- Genus: Albunea
- Genus: Austrolepidopa
- Genus: Harryhausenia
- Genus: Italialbunea
- Genus: Lepidopa
- Genus: Leucolepidopa
- Genus: Paralbunea
- Genus: Paraleucolepidopa
- Genus: Praealbunea
- Genus: Squillalbunea
- Genus: Stemonopa
- Genus: Zygopa
Family: Alpheidae
- Genus: Acanthanas
- Genus: Alpheopsis
- Genus: Alpheus
- Genus: Amphibetaeus
- Genus: Arete
- Genus: Aretopsis
- Genus: Athanas
- Genus: Athanopsis
- Genus: Automate
- Genus: Bannereus
- Genus: Batella
- Genus: Bermudacaris
- Genus: Betaeopsis
- Genus: Betaeus
- Genus: Bruceopsis
- Genus: Coronalpheus
- Genus: Coutieralpheus
- Genus: Deioneus
- Genus: Fenneralpheus
- Genus: Harperalpheus
- Genus: Jengalpheops
- Genus: Leptalpheus
- Genus: Leptathanas
- Genus: Leslibetaeus
- Genus: Metabetaeus
- Genus: Metalpheus
- Genus: Mohocaris
- Genus: Nennalpheus
- Genus: Notalpheus
- Genus: Orygmalpheus
- Genus: Parabetaeus
- Genus: Pomagnathus
- Genus: Potamalpheops
- Genus: Prionalpheus
- Genus: Pseudalpheopsis
- Genus: Pseudathanas
- Genus: Pterocaris
- Genus: Racilius
- Genus: Richalpheus
- Genus: Rugathanas
- Genus: Salmoneus
- Genus: Stenalpheops
- Genus: Synalpheus
- Genus: Thuylamea
- Genus: Vexillipar
- Genus: Yagerocaris
Family: Alvinocarididae
- Genus: Alvinocaridinides
- Genus: Alvinocaris
- Genus: Chorocaris
- Genus: Mirocaris
- Genus: Nautilocaris
- Genus: Opaepele
- Genus: Rimicaris
- Genus: Shinkaicaris
Family: Anchistioididae
- Genus: Anchistioides
Family: Aphanodactylidae
- Genus: Aphanodactylus
- Genus: Gandoa
- Genus: Gustavus
Family: Aristeidae
- Genus: Aristaeomorpha
- Genus: Aristaeopsis
- Genus: Aristeus
- Genus: Austropenaeus
- Genus: Hemipenaeus
- Genus: Hepomadus
- Genus: Parahepomadus
- Genus: Plesiopenaeus
- Genus: Pseudaristeus
Family: Astacidae
- Genus: Austropotamobius
Family: Atelecyclidae
- Genus: Atelecyclus
- Genus: Pseudocorystes
Family: Atyidae
- Genus: Atya
- Genus: Atyaephyra
- Genus: Caridina
- Genus: Dugastella
- Genus: Neocaridina
- Genus: Paracaridina
- Genus: Typhlatya
Family: Axianassidae
- Genus: Axianassa
Family: Axiidae
- Genus: Acanthaxius
- Genus: Allaxius
- Genus: Ambiaxius
- Genus: Anophthalmaxius
- Genus: Australocaris
- Genus: Axia
- Genus: Axiopsis
- Genus: Axiorygma
- Genus: Axius
- Genus: Bouvieraxius
- Genus: Calastacus
- Genus: Calaxiopsis
- Genus: Calaxius
- Genus: Calocarides
- Genus: Calocaris
- Genus: Coralaxius
- Genus: Dorphinaxius
- Genus: Eiconaxius
- Genus: Eucalastacus
- Genus: Eutrichocheles
- Genus: Formosaxius
- Genus: Levantocaris
- Genus: Litoraxius
- Genus: Lophaxius
- Genus: Marianaxius
- Genus: Michelaxiopsis
- Genus: Oxyrhynchaxius
- Genus: Parascytoleptus
- Genus: Paraxiopsis
- Genus: Paraxius
- Genus: Pilbaraxius
- Genus: Planaxius
- Genus: Platyaxius
- Genus: Scytoleptus
- Genus: Spongiaxius
Family: Barbouriidae
- Genus: Barbouria
- Genus: Janicea
- Genus: Parhippolyte
Family: Bathypalaemonellidae
- Genus: Bathypalaemonella
- Genus: Bathypalaemonetes
Family: Belliidae
- Genus: Acanthocyclus
- Genus: Bellia
- Genus: Corystoides
- Genus: Heterozius
Family: Benthesicymidae
- Genus: Altelatipes
- Genus: Bentheogennema
- Genus: Benthesicymus
- Genus: Benthonectes
- Genus: Gennadas
Family: Blepharipodidae
- Genus: Blepharipoda
- Genus: Lophomastix
Family: Bresiliidae
- Genus: Bresilia
- Genus: Encantada
Family: Bythograeidae
- Genus: Allograea
- Genus: Austinograea
- Genus: Bythograea
- Genus: Cyanagraea
- Genus: Gandalfus
- Genus: Segonzacia
Family: Calappidae
- Genus: Acanthocarpus
- Genus: Calappa
- Genus: Calappula
- Genus: Cryptosoma
- Genus: Cycloes
- Genus: Cyclozodion
- Genus: Mursia
- Genus: Paracyclois
- Genus: Platymera
Family: Callianassidae
- Genus: Anacalliax
- Genus: Bathycalliax
- Genus: Biffarius
- Genus: Callianassa
- Genus: Callianopsis
- Genus: Calliapagurops
- Genus: Calliax
- Genus: Calliaxina
- Genus: Callichirus
- Genus: Cheramus
- Genus: Corallianassa
- Genus: Ctenocheles
- Genus: Ctenocheloides
- Genus: Dawsonius
- Genus: Eucalliax
- Genus: Gilvossius
- Genus: Glypturus
- Genus: Gourretia
- Genus: Grynaminna
- Genus: Laurentgourretia
- Genus: Lepidophthalmus
- Genus: Lipkecallianassa
- Genus: Michaelcallianassa
- Genus: Necallianassa
- Genus: Neocallichirus
- Genus: Neotrypaea
- Genus: Nihonotrypaea
- Genus: Notiax
- Genus: Paracalliax
- Genus: Paraglypturus
- Genus: Paratrypaea
- Genus: Pestarella
- Genus: Podocallichirus
- Genus: Poti
- Genus: Pseudobiffarius
- Genus: Pseudogourretia
- Genus: Rayllianassa
- Genus: Scallasis
- Genus: Sergio
- Genus: Trypaea
- Genus: Vulcanocalliax
Family: Callianideidae
- Genus: Callianidea
Family: Cambaridae
- Genus: Orconectes
- Genus: Procambarus
Family: Camptandriidae
- Genus: Baruna
- Genus: Calabarium
- Genus: Calabrium
- Genus: Camptandrium
- Genus: Cleistostoma
- Genus: Danielita
- Genus: Deiratonotus
- Genus: Ecphantor
- Genus: Ilyogynnis
- Genus: Leptochryseus
- Genus: Lillyanella
- Genus: Manningis
- Genus: Moguai
- Genus: Mortensenella
- Genus: Nanusia
- Genus: Nasima
- Genus: Opusia
- Genus: Paracleistostoma
- Genus: Paratylodiplax
- Genus: Serenella
- Genus: Takedellus
- Genus: Telmatothrix
- Genus: Tylodiplax
Family: Campylonotidae
- Genus: Campylonotus
Family: Cancridae
- Genus: Anatolikos
- Genus: Cancer
- Genus: Glebocarcinus
- Genus: Metacarcinus
- Genus: Platepistoma
- Genus: Romaleon
Family: Carpiliidae
- Genus: Carpilius
Family: Chasmocarcinidae
- Genus: Australocarcinus
- Genus: Camatopsis
- Genus: Chasmocarcinops
- Genus: Chasmocarcinus
- Genus: Hephthopelta
- Genus: Megaesthesius
- Genus: Raoulia
- Genus: Trogloplax
- Genus: Typhlocarcinodes
Family: Cheiragonidae
- Genus: Erimacrus
- Genus: Telmessus
Family: Chirostylidae
- Genus: Chirostylus
- Genus: Gastroptychus
- Genus: Hapaloptyx
- Genus: Uroptychodes
- Genus: Uroptychus
Family: Coenobitidae
- Genus: Coenobita
Family: Conleyidae
- Genus: Conleyus
Family: Corystidae
- Genus: Corystes
- Genus: Gomeza
- Genus: Jonas
Family: Crangonidae
- Genus: Aegaeon
- Genus: Argis
- Genus: Crangon
- Genus: Lissocrangon
- Genus: Lissosabinea
- Genus: Mesocrangon
- Genus: Metacrangon
- Genus: Neocrangon
- Genus: Notocrangon
- Genus: Paracrangon
- Genus: Parapontocaris
- Genus: Parapontophilus
- Genus: Philocheras
- Genus: Placopsicrangon
- Genus: Pontocaris
- Genus: Pontophilus
- Genus: Prionocrangon
- Genus: Pseudopontophilus
- Genus: Rhynocrangon
- Genus: Sabinea
- Genus: Sclerocrangon
- Genus: Syncrangon
- Genus: Vercoia
Family: Crossotonotidae
- Genus: Crossotonotus
- Genus: Pleurophricus
Family: Cryptochiridae
- Genus: Cecidocarcinus
- Genus: Cryptochirus
- Genus: Dacryomaia
- Genus: Detocarcinus
- Genus: Fizesereneia
- Genus: Fungicola
- Genus: Hapalocarcinus
- Genus: Hiroia
- Genus: Lithoscaptus
- Genus: Luciades
- Genus: Neotroglocarcinus
- Genus: Opecarcinus
- Genus: Pelycomaia
- Genus: Pseudocryptochirus
- Genus: Pseudohapalocarcinus
- Genus: Sphenomaia
- Genus: Troglocarcinus
- Genus: Utinomiella
- Genus: Xynomaia
- Genus: Zibrovia
Family: Cyclodorippidae
- Genus: Clythrocerus
- Genus: Corycodus
- Genus: Cyclodorippe
- Genus: Deilocerus
- Genus: Ketamia
- Genus: Krangalangia
- Genus: Neocorycodus
- Genus: Simodorippe
- Genus: Tymolus
- Genus: Xeinostoma
Family: Cymonomidae
- Genus: Curupironomus
- Genus: Cymonomoides
- Genus: Cymonomus
- Genus: Cymopolus
- Genus: Elassopodus
Family: Dacryopilumnidae
- Genus: Dacryopilumnus
Family: Dairidae
- Genus: Daira
Family: Dairoididae
- Genus: Dairoides
Family: Decapoda (Family Unknown)
- Genus: Bottia
- Genus: Chaenostoma
- Genus: Eudora
- Genus: Eupanopeus
- Genus: Euplax
- Genus: Gecarcinautes
- Genus: Holthuisia
- Genus: Leptopodia
- Genus: Stenorynchus
- Genus: Telphusa
- Genus: Thelphusa
- Genus: Xiphonectes
Family: Desmocarididae
- Genus: Desmocaris
Family: Diogenidae
- Genus: Allodardanus
- Genus: Aniculus
- Genus: Areopaguristes
- Genus: Bathynarius
- Genus: Calcinus
- Genus: Cancellus
- Genus: Ciliopagurus
- Genus: Clibanarius
- Genus: Dardanus
- Genus: Diogenes
- Genus: Isocheles
- Genus: Loxopagurus
- Genus: Paguristes
- Genus: Paguropsis
- Genus: Petrochirus
- Genus: Pseudopaguristes
- Genus: Pseudopagurus
- Genus: Strigopagurus
- Genus: Tetralobistes
- Genus: Tisea
- Genus: Trizopagurus
Family: Disciadidae
- Genus: Discias
- Genus: Kirnasia
- Genus: Lucaya
- Genus: Tridiscias
Family: Domeciidae
- Genus: Domecia
- Genus: Jonesius
- Genus: Maldivia
- Genus: Palmyria
Family: Dorippidae
- Genus: Dorippe
- Genus: Dorippoides
- Genus: Heikeopsis
- Genus: Medorippe
- Genus: Neodorippe
- Genus: Nobilum
- Genus: Paradorippe
- Genus: Philippidorippe
- Genus: Phyllodorippe
Family: Dotillidae
- Genus: Dotilla
- Genus: Dotilloplax
- Genus: Dotillopsis
- Genus: Ilyoplax
- Genus: Potamocypoda
- Genus: Pseudogelasimus
- Genus: Scopimera
- Genus: Shenius
- Genus: Tmethypocoelis
Family: Dromiidae
- Genus: Alainodromia
- Genus: Ascidiophilus
- Genus: Austrodromidia
- Genus: Barnardromia
- Genus: Conchoecetes
- Genus: Cryptodromia
- Genus: Cryptodromiopsis
- Genus: Desmodromia
- Genus: Dromia
- Genus: Dromidia
- Genus: Dromidiopsis
- Genus: Eodromia
- Genus: Epigodromia
- Genus: Epipedodromia
- Genus: Eudromidia
- Genus: Exodromia
- Genus: Exodromidia
- Genus: Foredromia
- Genus: Frodromia
- Genus: Fultodromia
- Genus: Haledromia
- Genus: Hemisphaerodromia
- Genus: Homalodromia
- Genus: Hypoconcha
- Genus: Lamarckdromia
- Genus: Lauridromia
- Genus: Lewindromia
- Genus: Mclaydromia
- Genus: Metadromia
- Genus: Moreiradromia
- Genus: Paradromia
- Genus: Petalomera
- Genus: Platydromia
- Genus: Pseudodromia
- Genus: Speodromia
- Genus: Sphaerodromia
- Genus: Stebbingdromia
- Genus: Sternodromia
- Genus: Stimdromia
- Genus: Takedromia
- Genus: Tumidodromia
- Genus: Tunedromia
Family: Dynomenidae
- Genus: Acanthodromia
- Genus: Dynomene
- Genus: Hirsutodynomene
- Genus: Metadynomene
- Genus: Paradynomene
Family: Enoplometopidae
- Genus: Enoplometopus
Family: Epialtidae
- Genus: Acanthophrys
- Genus: Anamathia
- Genus: Antilibinia
- Genus: Apias
- Genus: Apiomithrax
- Genus: Austrolibinia
- Genus: Chorilia
- Genus: Chorilibinia
- Genus: Chorinus
- Genus: Criocarcinus
- Genus: Cyclonyx
- Genus: Dehaanius
- Genus: Delsolaria
- Genus: Doclea
- Genus: Epialtoides
- Genus: Epialtus
- Genus: Esopus
- Genus: Eupleurodon
- Genus: Garthinia
- Genus: Giranauria
- Genus: Goniopugettia
- Genus: Goniothorax
- Genus: Griffinia
- Genus: Guinotinia
- Genus: Herbstia
- Genus: Holoplites
- Genus: Hoplophrys
- Genus: Hoploplites
- Genus: Huenia
- Genus: Hyastenus
- Genus: Lahaina
- Genus: Laubierinia
- Genus: Lepidonaxia
- Genus: Lepteces
- Genus: Leptomaia
- Genus: Leucippa
- Genus: Libidoclaea
- Genus: Libinia
- Genus: Lissa
- Genus: Lophorochinia
- Genus: Loxorhynchus
- Genus: Lyramaia
- Genus: Menaethiops
- Genus: Menaethius
- Genus: Micippoides
- Genus: Microlissa
- Genus: Micropisa
- Genus: Mimulus
- Genus: Mocosoa
- Genus: Nasutocarcinus
- Genus: Naxioides
- Genus: Neodoclea
- Genus: Nibilia
- Genus: Nicoya
- Genus: Notolopas
- Genus: Oplopisa
- Genus: Oxypleurodon
- Genus: Pelia
- Genus: Perinia
- Genus: Phalangipus
- Genus: Picrocerus
- Genus: Pisoides
- Genus: Pitho
- Genus: Pliosoma
- Genus: Pugettia
- Genus: Rhinocarcinus
- Genus: Rochinia
- Genus: Sargassocarcinus
- Genus: Scyra
- Genus: Simocarcinus
- Genus: Sphenocarcinus
- Genus: Stegopleurodon
- Genus: Stilbognathus
- Genus: Stilbomastax
- Genus: Taliepus
- Genus: Thusaenys
- Genus: Trachymaia
- Genus: Trigonothir
- Genus: Tyche
- Genus: Tylocarcinus
- Genus: Xenocarcinus
Family: Eriphiidae
- Genus: Eriphides
- Genus: Globopilumnus
Family: Ethusidae
- Genus: Ethusa
- Genus: Ethusina
- Genus: Parethusa
Family: Eugonatonotidae
- Genus: Eugonatonotus
Family: Eumunididae
- Genus: Eumunida
- Genus: Pseudomunida
Family: Euryplacidae
- Genus: Eucrate
- Genus: Euryplax
- Genus: Frevillea
- Genus: Henicoplax
- Genus: Heteroplax
- Genus: Machaerus
- Genus: Nancyplax
- Genus: Psopheticoides
- Genus: Systroplax
- Genus: Trissoplax
- Genus: Trizocarcinus
- Genus: Villoplax
- Genus: Xenocrate
Family: Euryrhynchidae
- Genus: Euryrhynchina
- Genus: Euryrhynchoides
Family: Galatheidae
- Genus: Alainius
- Genus: Allogalathea
- Genus: Allomunida
- Genus: Coralliogalathea
- Genus: Fennerogalathea
- Genus: Galathea
- Genus: Janetogalathea
- Genus: Lauriea
- Genus: Macrothea
- Genus: Munida
- Genus: Nanogalathea
- Genus: Phylladiorhynchus
Family: Galenidae
- Genus: Dentoxanthus
- Genus: Galene
- Genus: Halimede
- Genus: Parapanope
Family: Gecarcinidae
- Genus: Cardisoma
- Genus: Discoplax
- Genus: Epigrapsus
- Genus: Gecarcinus
- Genus: Gecarcoidea
- Genus: Johngarthia
Family: Gecarcinucidae
- Genus: Adeleana
- Genus: Arachnothelphusa
- Genus: Austrothelphusa
- Genus: Bakousa
- Genus: Balssiathelphusa
- Genus: Baratha
- Genus: Barytelphusa
- Genus: Ceylonthelphusa
- Genus: Clinothelphusa
- Genus: Coccusa
- Genus: Currothelphusa
- Genus: Cylindrotelphusa
- Genus: Esanthelphusa
- Genus: Gecarcinucus
- Genus: Geelvinkia
- Genus: Geithusa
- Genus: Globitelphusa
- Genus: Gubernatoriana
- Genus: Guinothusa
- Genus: Heterothelphusa
- Genus: Holthuisana
- Genus: Inglethelphusa
- Genus: Irmengardia
- Genus: Lamella
- Genus: Lepidothelphusa
- Genus: Liotelphusa
- Genus: Mahatha
- Genus: Mainitia
- Genus: Maydelliathelphusa
- Genus: Mekhongthelphusa
- Genus: Migmathelphusa
- Genus: Nautilothelphusa
- Genus: Niasathelphusa
- Genus: Oziotelphusa
- Genus: Parathelphusa
- Genus: Pastilla
- Genus: Perbrinckia
- Genus: Perithelphusa
- Genus: Phricotelphusa
- Genus: Pilarta
- Genus: Rouxana
- Genus: Salangathelphusa
- Genus: Sartoriana
- Genus: Sayamia
- Genus: Sendleria
- Genus: Siamthelphusa
- Genus: Snaha
- Genus: Somanniathelphusa
- Genus: Spiralothelphusa
- Genus: Stygothelphusa
- Genus: Sundathelphusa
- Genus: Syntripsa
- Genus: Terrathelphusa
- Genus: Thaksinthelphusa
- Genus: Thelphusula
- Genus: Torhusa
- Genus: Travancoriana
- Genus: Vanni
- Genus: Vela
Family: Geryonidae
- Genus: Chaceon
- Genus: Geryon
- Genus: Zariquieyon
Family: Glypheidae
- Genus: Laurentaeglyphea
- Genus: Neoglyphea
Family: Glyphocrangonidae
- Genus: Glyphocrangon
Family: Glyptograpsidae
- Genus: Glyptograpsus
- Genus: Platychirograpsus
Family: Gnathophyllidae
- Genus: Gnathophylleptum
- Genus: Gnathophylloides
- Genus: Gnathophyllum
- Genus: Levicaris
- Genus: Pycnocaris
Family: Goneplacidae
- Genus: Bathyplax
- Genus: Carcinoplax
- Genus: Entricoplax
- Genus: Exopheticus
- Genus: Goneplacoides
- Genus: Goneplax
- Genus: Guinoplax
- Genus: Hadroplax
- Genus: Litochira
- Genus: Menoplax
- Genus: Microgoneplax
- Genus: Neogoneplax
- Genus: Neommatocarcinus
- Genus: Notonyx
- Genus: Ommatocarcinus
- Genus: Paragoneplax
- Genus: Psopheticus
- Genus: Pycnoplax
- Genus: Singhaplax
- Genus: Thyraplax
Family: Grapsidae
- Genus: Geograpsus
- Genus: Goniopsis
- Genus: Grapsus
- Genus: Holometopus
- Genus: Leptograpsodes
- Genus: Leptograpsus
- Genus: Metopograpsus
- Genus: Pachygrapsus
- Genus: Plagusia
- Genus: Planes
Family: Hectarthropidae
- Genus: Hectarthropus
Family: Heloeciidae
- Genus: Heloecius
Family: Hexapodidae
- Genus: Hexalaughlia
- Genus: Hexapinus
- Genus: Hexaplax
- Genus: Hexapus
- Genus: Lambdophallus
- Genus: Latohexapus
- Genus: Paeduma
- Genus: Parahexapus
- Genus: Pseudohexapus
- Genus: Spiroplax
- Genus: Stevea
- Genus: Thaumastoplax
- Genus: Tritoplax
Family: Hippidae
- Genus: Emerita
- Genus: Hippa
- Genus: Mastigochirus
Family: Hippolytidae
- Genus: Alope
- Genus: Bathyhippolyte
- Genus: Birulia
- Genus: Bythocarides
- Genus: Bythocaris
- Genus: Calliasmata
- Genus: Caridion
- Genus: Chorismus
- Genus: Cryptocheles
- Genus: Eualus
- Genus: Eumanningia
- Genus: Exhippolysmata
- Genus: Gelastocaris
- Genus: Gelastreutes
- Genus: Heptacarpus
- Genus: Hippolyte
- Genus: Latreutes
- Genus: Lebbeus
- Genus: Leontocaris
- Genus: Ligur
- Genus: Lysmata
- Genus: Lysmatella
- Genus: Merguia
- Genus: Merhippolyte
- Genus: Mimocaris
- Genus: Nauticaris
- Genus: Paralatreutes
- Genus: Paralebbeus
- Genus: Phycocaris
- Genus: Saron
- Genus: Spirontocaris
- Genus: Thinora
- Genus: Thor
- Genus: Thoralus
- Genus: Thorella
- Genus: Tozeuma
- Genus: Trachycaris
Family: Homolidae
- Genus: Dagnaudus
- Genus: Gordonopsis
- Genus: Homola
- Genus: Homolax
- Genus: Homolochunia
- Genus: Homologenus
- Genus: Homolomannia
- Genus: Ihlopsis
- Genus: Lamoha
- Genus: Latreillopsis
- Genus: Moloha
- Genus: Paromola
- Genus: Paromola a
- Genus: Paromola b
- Genus: Yaldwynopsis
Family: Homolodromiidae
- Genus: Dicranodromia
- Genus: Homolodromia
Family: Hymenoceridae
- Genus: Hymenocera
- Genus: Phyllognathia
Family: Hymenosomatidae
- Genus: Amarinus
- Genus: Apechocinus
- Genus: Cancrocaeca
- Genus: Crustaenia
- Genus: Elamena
- Genus: Elamenopsis
- Genus: Guaplax
- Genus: Halicarcinides
- Genus: Halicarcinus
- Genus: Halimena
- Genus: Hymenicoides
- Genus: Hymenosoma
- Genus: Limnopilos
- Genus: Micas
- Genus: Neohymenicus
- Genus: Neorhynchoplax
- Genus: Odiomaris
- Genus: Sulaplax
- Genus: Trigonoplax
Family: Hypothalassiidae
- Genus: Hypothalassia
Family: Inachidae
- Genus: Achaeopsis
- Genus: Anisonotus
- Genus: Anomalothir
- Genus: Bothromaia
- Genus: Calypsachaeus
- Genus: Camposcia
- Genus: Capartiella
- Genus: Chalaroachaeus
- Genus: Chorinachus
- Genus: Coryrhynchus
- Genus: Cyrtomaia
- Genus: Dorhynchus
- Genus: Dumea
- Genus: Encephaloides
- Genus: Ephippias
- Genus: Ergasticus
- Genus: Ericerodes
- Genus: Erileptus
- Genus: Eucinetops
- Genus: Eurypodius
- Genus: Grypachaeus
- Genus: Inachus
- Genus: Litosus
- Genus: Macrocheira
- Genus: Metoporhaphis
- Genus: Oncinopus
- Genus: Paratymolus
- Genus: Physachaeus
- Genus: Platymaia
- Genus: Pleistacantha
- Genus: Podochela
- Genus: Prosphorachaeus
- Genus: Rhinospinosa
- Genus: Sunipea
- Genus: Trichoplatus
- Genus: Vitjazmaia
Family: Inachoididae
- Genus: Aepinus
- Genus: Anasimus
- Genus: Arachnopsis
- Genus: Batrachonotus
- Genus: Collodes
- Genus: Euprognatha
- Genus: Inachoides
- Genus: Leurocyclus
- Genus: Paradasygyius
- Genus: Pyromaia
Family: Iphiculidae
- Genus: Iphiculus
- Genus: Pariphiculus
Family: Kiwaidae
- Genus: Kiwa
Family: Laomediidae
- Genus: Espeleonaushonia
- Genus: Jaxea
- Genus: Laomedia
- Genus: Naushonia
- Genus: Saintlaurentiella
Family: Latreilliidae
- Genus: Eplumula
- Genus: Latreillia
Family: Leucosiidae
- Genus: Acanthilia
- Genus: Afrophila
- Genus: Alox
- Genus: Ancylodactyla
- Genus: Arcania
- Genus: Atlantolocia
- Genus: Atlantophila
- Genus: Atlantotlos
- Genus: Bellidilia
- Genus: Callidactylus
- Genus: Cateios
- Genus: Coleusia
- Genus: Cryptocnemus
- Genus: Dolos
- Genus: Ebalia
- Genus: Ebaliopsis
- Genus: Euclosiana
- Genus: Favus
- Genus: Galilia
- Genus: Heterolithadia
- Genus: Heteronucia
- Genus: Hiplyra
- Genus: Ihleus
- Genus: Ilia
- Genus: Iliacantha
- Genus: Ixa
- Genus: Leucisca
- Genus: Leucosia
- Genus: Leucosilia
- Genus: Lissomorpha
- Genus: Lithadia
- Genus: Lyphira
- Genus: Merocryptoides
- Genus: Merocryptus
- Genus: Myra
- Genus: Myrine
- Genus: Myropsis
- Genus: Nobiliella
- Genus: Nucia
- Genus: Nuciops
- Genus: Nursia
- Genus: Nursilia
- Genus: Onychomorpha
- Genus: Oreophorus
- Genus: Oreotlos
- Genus: Orientotlos
- Genus: Paranursia
- Genus: Parilia
- Genus: Persephona
- Genus: Philyra
- Genus: Praebebalia
- Genus: Praosia
- Genus: Pseudomyra
- Genus: Pseudophilyra
- Genus: Pyrhila
- Genus: Randallia
- Genus: Raylilia
- Genus: Ryphila
- Genus: Seulocia
- Genus: Soceulia
- Genus: Speloeophoroides
- Genus: Speloeophorus
- Genus: Tanaoa
- Genus: Tlos
- Genus: Tokoyo
- Genus: Toru
- Genus: Uhlias
- Genus: Urashima
- Genus: Urnalana
Family: Lithodidae
- Genus: Cryptolithodes
- Genus: Glyptolithodes
- Genus: Hapalogaster
- Genus: Lithodes
- Genus: Lopholithodes
- Genus: Neolithodes
- Genus: Paralithodes
- Genus: Paralomis
- Genus: Phyllolithodes
- Genus: Rhinolithodes
- Genus: Sculptolithodes
Family: Litocheiridae
- Genus: Georgeoplax
- Genus: Litocheira
Family: Lomisidae
- Genus: Lomis
Family: Luciferidae
- Genus: Lucifer
Family: Macromaxillocarididae
- Genus: Macromaxillocaris
Family: Macrophthalmidae
- Genus: Apograpsus
- Genus: Australoplax
- Genus: Enigmaplax
- Genus: Hemiplax
- Genus: Ilyograpsus
- Genus: Lutogemma
- Genus: Macrophthalmus
- Genus: Tasmanoplax
- Genus: Tritodynamia
- Genus: Venitus
Family: Majidae
- Genus: Acanthonyx
- Genus: Achaeus
- Genus: Ageitomaia
- Genus: Ala
- Genus: Anacinetops
- Genus: Choniognathus
- Genus: Coelocerus
- Genus: Cyclax
- Genus: Cyclocoeloma
- Genus: Cyphocarcinus
- Genus: Entomonyx
- Genus: Eurynolambrus
- Genus: Eurynome
- Genus: Hemus
- Genus: Jacquinotia
- Genus: Kasagia
- Genus: Kimbla
- Genus: Leptomithrax
- Genus: Leptopisa
- Genus: Macrocoeloma
- Genus: Macropodia
- Genus: Maiopsis
- Genus: Maja
- Genus: Majella
- Genus: Micippa
- Genus: Microhalimus
- Genus: Microphrys
- Genus: Mithraculus
- Genus: Mithrax
- Genus: Naxia
- Genus: Nemausa
- Genus: Notomithrax
- Genus: Paraentomonyx
- Genus: Paramithrax
- Genus: Paranaxia
- Genus: Picroceroides
- Genus: Pippacirama
- Genus: Pisa
- Genus: Planotergum
- Genus: Prismatopus
- Genus: Pseudomicippe
- Genus: Schizophroida
- Genus: Schizophrys
- Genus: Seiitaoides
- Genus: Stenocionops
- Genus: Stenorhynchus
- Genus: Teleophrys
- Genus: Temnonotus
- Genus: Teratomaia
- Genus: Thersandrus
- Genus: Tiarinia
- Genus: Tumulosternum
Family: Mathildellidae
- Genus: Beuroisia
- Genus: Intesius
- Genus: Mathildella
- Genus: Neopilumnoplax
- Genus: Platypilumnus
Family: Matutidae
- Genus: Ashtoret
- Genus: Izanami
- Genus: Matuta
- Genus: Mebeli
Family: Menippidae
- Genus: Menippe
- Genus: Myomenippe
- Genus: Pseudocarcinus
- Genus: Ruppellioides
- Genus: Sphaerozius
Family: Micheleidae
- Genus: Marcusiaxius
- Genus: Meticonaxius
- Genus: Michelea
- Genus: Tethisea
Family: Mictyridae
- Genus: Mictyris
Family: Munididae
- Genus: Agononida
- Genus: Anomoeomunida
- Genus: Anoplonida
- Genus: Babamunida
- Genus: Bathymunida
- Genus: Cervimunida
- Genus: Crosnierita
- Genus: Enriquea
- Genus: Heteronida
- Genus: Neonida
- Genus: Onconida
- Genus: Paramunida
- Genus: Plesionida
- Genus: Pleuroncodes
- Genus: Raymunida
- Genus: Sadayoshia
- Genus: Setanida
- Genus: Tasmanida
- Genus: Torbenella
Family: Munidopsidae
- Genus: Galacantha
- Genus: Leiogalathea
- Genus: Munidopsis
- Genus: Shinkaia
Family: Nematocarcinidae
- Genus: Lenzicarcinus
- Genus: Lipkius
- Genus: Nematocarcinus
- Genus: Nigmatullinus
Family: Nephropidae
- Genus: Acanthacaris
- Genus: Dinochelus
- Genus: Eunephrops
- Genus: Homarinus
- Genus: Homarus
- Genus: Metanephrops
- Genus: Nephropides
- Genus: Nephrops
- Genus: Nephropsis
- Genus: Thaumastocheles
- Genus: Thaumastochelopsis
- Genus: Thymopides
- Genus: Thymops
- Genus: Thymopsis
Family: Ocypodidae
- Genus: Gelasimus
- Genus: Ocypode
- Genus: Uca
Family: Ogyrididae
- Genus: Ogyrides
Family: Oplophoridae
- Genus: Acanthephyra
- Genus: Ephyrina
- Genus: Heterogenys
- Genus: Hymenodora
- Genus: Janicella
- Genus: Kemphyra
- Genus: Meningodora
- Genus: Notostomus
- Genus: Oplophorus
- Genus: Systellaspis
Family: Oregoniidae
- Genus: Chionoecetes
- Genus: Hyas
- Genus: Macroregonia
- Genus: Oregonia
Family: Orithyiidae
- Genus: Orithyia
Family: Oziidae
- Genus: Baptozius
- Genus: Bountiana
- Genus: Epixanthoides
- Genus: Epixanthus
- Genus: Eupilumnus
- Genus: Lydia
- Genus: Ozius
Family: Paguridae
- Genus: Acanthopagurus
- Genus: Agaricochirus
- Genus: Alainopaguroides
- Genus: Alainopagurus
- Genus: Alloeopagurodes
- Genus: Anapagrides
- Genus: Anapagurus
- Genus: Anisopagurus
- Genus: Bathiopagurus
- Genus: Bathypaguropsis
- Genus: Boninpagurus
- Genus: Bythiopagurus
- Genus: Catapaguroides
- Genus: Catapaguropsis
- Genus: Catapagurus
- Genus: Ceratopagurus
- Genus: Cestopagurus
- Genus: Chanopagurus
- Genus: Cycetopagurus
- Genus: Decaphyllus
- Genus: Dentalopagurus
- Genus: Diacanthurus
- Genus: Discorsopagurus
- Genus: Elassochirus
- Genus: Enallopaguropsis
- Genus: Enallopagurus
- Genus: Enneobranchus
- Genus: Enneopagurus
- Genus: Enneophyllus
- Genus: Eupagurus
- Genus: Forestopagurus
- Genus: Goreopagurus
- Genus: Hachijopagurus
- Genus: Haigiopagurus
- Genus: Icelopagurus
- Genus: Iridopagurus
- Genus: Labidochirus
- Genus: Lithopagurus
- Genus: Lophopagurus
- Genus: Manucomplanus
- Genus: Michelopagurus
- Genus: Micropagurus
- Genus: Munidopagurus
- Genus: Nematopaguroides
- Genus: Nematopagurus
- Genus: Orthopagurus
- Genus: Ostraconotus
- Genus: Paguridium
- Genus: Paguritta
- Genus: Pagurixus
- Genus: Pagurodes
- Genus: Pagurodofleinia
- Genus: Pagurojacquesia
- Genus: Pagurus
- Genus: Parapagurodes
- Genus: Phimochirus
- Genus: Porcellanopagurus
- Genus: Propagurus
- Genus: Protoniopagurus
- Genus: Pseudopagurodes
- Genus: Pteropagurus
- Genus: Pumilopagurus
- Genus: Pygmaeopagurus
- Genus: Pylopaguridium
- Genus: Pylopaguropsis
- Genus: Pylopagurus
- Genus: Rhodochirus
- Genus: Scopaeopagurus
- Genus: Solenopagurus
- Genus: Solitariopagurus
- Genus: Spiropagurus
- Genus: Tarrasopagurus
- Genus: Tomopaguroides
- Genus: Tomopaguropsis
- Genus: Tomopagurus
- Genus: Trichopagurus
- Genus: Turleania
- Genus: Xylopagurus
Family: Palaemonidae
- Genus: Allopontonia
- Genus: Altopontonia
- Genus: Amphipontonia
- Genus: Anapontonia
- Genus: Anchiopontonia
- Genus: Anchistus
- Genus: Ancylomenes
- Genus: Anisomenaeus
- Genus: Apopontonia
- Genus: Araiopontonia
- Genus: Ascidonia
- Genus: Balssia
- Genus: Blepharocaris
- Genus: Brachycarpus
- Genus: Brucecaris
- Genus: Bruceonia
- Genus: Cainonia
- Genus: Carinopontonia
- Genus: Chacella
- Genus: Chernocaris
- Genus: Climeniperaeus
- Genus: Colemonia
- Genus: Conchodytes
- Genus: Coralliocaris
- Genus: Coutierea
- Genus: Crinotonia
- Genus: Ctenopontonia
- Genus: Cuapetes
- Genus: Dactylonia
- Genus: Dasella
- Genus: Dasycaris
- Genus: Diapontonia
- Genus: Epipontonia
- Genus: Eupontonia
- Genus: Exoclimenella
- Genus: Exopalaemon
- Genus: Exopontonia
- Genus: Fennera
- Genus: Hamiger
- Genus: Hamodactyloides
- Genus: Hamodactylus
- Genus: Hamopontonia
- Genus: Harpiliopsis
- Genus: Harpilius
- Genus: Ischnopontonia
- Genus: Isopontonia
- Genus: Izucaris
- Genus: Jocaste
- Genus: Laomenes
- Genus: Leander
- Genus: Leandrites
- Genus: Leptocarpus
- Genus: Leptomenaeus
- Genus: Lipkebe
- Genus: Macrobrachium
- Genus: Manipontonia
- Genus: Margitonia
- Genus: Mesopontonia
- Genus: Metapontonia
- Genus: Miopontonia
- Genus: Nematopalaemon
- Genus: Neoanchistus
- Genus: Neopericlimenes
- Genus: Neopontonides
- Genus: Nippontonia
- Genus: Notopontonia
- Genus: Odontonia
- Genus: Onycocaridella
- Genus: Onycocaridites
- Genus: Onycocaris
- Genus: Onycomenes
- Genus: Orthopontonia
- Genus: Palaemon
- Genus: Palaemonella
- Genus: Palaemonetes
- Genus: Paraclimenaeus
- Genus: Paraclimenes
- Genus: Paranchistus
- Genus: Paratypton
- Genus: Patonia
- Genus: Periclimenaeus
- Genus: Periclimenella
- Genus: Periclimenes
- Genus: Periclimenoides
- Genus: Philarius
- Genus: Phycomenes
- Genus: Platycaris
- Genus: Platypontonia
- Genus: Plesiomenaeus
- Genus: Plesiopontonia
- Genus: Pliopontonia
- Genus: Pontonia
- Genus: Pontonides
- Genus: Pontoniopsides
- Genus: Pontoniopsis
- Genus: Poripontonia
- Genus: Propontonia
- Genus: Pseudoclimenes
- Genus: Pseudocoutierea
- Genus: Pseudopontonia
- Genus: Pseudopontonides
- Genus: Pseudoveleronia
- Genus: Rapipontonia
- Genus: Rhopalaemon
- Genus: Rostronia
- Genus: Sandimenes
- Genus: Sandyella
- Genus: Stegopontonia
- Genus: Tectopontonia
- Genus: Thaumastocaris
- Genus: Troglomexicanus
- Genus: Tuleariocaris
- Genus: Typton
- Genus: Typtonychus
- Genus: Unguicaris
- Genus: Urocaridella
- Genus: Urocaris
- Genus: Veleronia
- Genus: Veleroniopsis
- Genus: Vir
- Genus: Waldola
- Genus: Yemenicaris
- Genus: Zenopontonia
Family: Palicidae
- Genus: Exopalicus
- Genus: Miropalicus
- Genus: Neopalicus
- Genus: Palicoides
- Genus: Paliculus
- Genus: Palicus
- Genus: Parapalicus
- Genus: Pseudopalicus
- Genus: Rectopalicus
Family: Palinuridae
- Genus: Jasus
- Genus: Justitia
- Genus: Linuparus
- Genus: Nupalirus
- Genus: Palibythus
- Genus: Palinurellus
- Genus: Palinurus
- Genus: Palinustus
- Genus: Panulirus
- Genus: Projasus
- Genus: Puerulus
- Genus: Sagmariasus
Family: Pandalidae
- Genus: Anachlorocurtis
- Genus: Atlantopandalus
- Genus: Austropandalus
- Genus: Bitias
- Genus: Calipandalus
- Genus: Chelonika
- Genus: Chlorocurtis
- Genus: Chlorotocella
- Genus: Chlorotocus
- Genus: Dichelopandalus
- Genus: Dorodotes
- Genus: Heterocarpus
- Genus: Miropandalus
- Genus: Notopandalus
- Genus: Pandalina
- Genus: Pandalopsis
- Genus: Pandalus
- Genus: Pantomus
- Genus: Parapandalus
- Genus: Peripandalus
- Genus: Plesionika
- Genus: Procletes
- Genus: Pseudopandalus
- Genus: Stylopandalus
Family: Panopeidae
- Genus: Acantholobulus
- Genus: Chasmophora
- Genus: Cycloplax
- Genus: Cyrtoplax
- Genus: Dyspanopeus
- Genus: Eucratopsis
- Genus: Eurypanopeus
- Genus: Eurytium
- Genus: Glyptoplax
- Genus: Hexapanopeus
- Genus: Homoioplax
- Genus: Lophopanopeus
- Genus: Lophoxanthus
- Genus: Malacoplax
- Genus: Metopocarcinus
- Genus: Neopanope
- Genus: Odontoplax
- Genus: Panopeus
- Genus: Panoplax
- Genus: Prionoplax
- Genus: Rhithropanopeus
- Genus: Robertsella
- Genus: Tetraplax
- Genus: Tetraxanthus
- Genus: Thalassoplax
Family: Parapaguridae
- Genus: Bivalvopagurus
- Genus: Oncopagurus
- Genus: Paragiopagurus
- Genus: Parapagurus
- Genus: Probeebei
- Genus: Strobopagurus
- Genus: Sympagurus
- Genus: Tsunogaipagurus
- Genus: Tylaspis
- Genus: Typhlopagurus
Family: Parastacidae
- Genus: Astacoides
Family: Parthenopidae
- Genus: Agolambrus
- Genus: Aulacolambrus
- Genus: Celatopesia
- Genus: Certolambrus
- Genus: Costalambrus
- Genus: Cryptopodia
- Genus: Daldorfia
- Genus: Derilambrus
- Genus: Distolambrus
- Genus: Enoplolambrus
- Genus: Furtipodia
- Genus: Garthambrus
- Genus: Heterocrypta
- Genus: Hispidolambrus
- Genus: Hypolambrus
- Genus: Lambrachaeus
- Genus: Lambrus
- Genus: Latulambrus
- Genus: Leiolambrus
- Genus: Mesorhoea
- Genus: Mimilambrus
- Genus: Neikolambrus
- Genus: Niobafia
- Genus: Nodolambrus
- Genus: Ochtholambrus
- Genus: Olenorfia
- Genus: Parthenope
- Genus: Parthenopoides
- Genus: Patulambrus
- Genus: Piloslambrus
- Genus: Platylambrus
- Genus: Pseudolambrus
- Genus: Rhinolambrus
- Genus: Solenolambrus
- Genus: Spinolambrus
- Genus: Thyrolambrus
- Genus: Tutankhamen
- Genus: Velolambrus
- Genus: Zarenkolambrus
Family: Pasiphaeidae
- Genus: Alainopasiphaea
- Genus: Eupasiphae
- Genus: Glyphus
- Genus: Leptochela
- Genus: Parapasiphae
- Genus: Pasiphaea
- Genus: Psathyrocaris
Family: Penaeidae
- Genus: Artemesia
- Genus: Atypopenaeus
- Genus: Farfantepenaeus
- Genus: Fenneropenaeus
- Genus: Funchalia
- Genus: Heteropenaeus
- Genus: Litopenaeus
- Genus: Macropetasma
- Genus: Marsupenaeus
- Genus: Megokris
- Genus: Melicertus
- Genus: Metapenaeopsis
- Genus: Metapenaeus
- Genus: Parapenaeopsis
- Genus: Parapenaeus
- Genus: Pelagopenaeus
- Genus: Penaeopsis
- Genus: Penaeus
- Genus: Protrachypene
- Genus: Rimapenaeus
- Genus: Tanypenaeus
- Genus: Trachypenaeopsis
- Genus: Trachypenaeus
- Genus: Trachysalambria
- Genus: Xiphopenaeus
Family: Percnidae
Family: Phyllotymolinidae
- Genus: Genkaia
- Genus: Lonchodactylus
- Genus: Phyllotymolinum
Family: Physetocarididae
- Genus: Physetocaris
Family: Pilumnidae
- Genus: Actumnus
- Genus: Aniptumnus
- Genus: Bathypilumnus
- Genus: Benthopanope
- Genus: Caecopilumnus
- Genus: Calmania
- Genus: Camptoplax
- Genus: Ceratocarcinus
- Genus: Ceratoplax
- Genus: Colerolumnus
- Genus: Cryptocoeloma
- Genus: Cryptolutea
- Genus: Cryptopilumnus
- Genus: Danielum
- Genus: Echinoecus
- Genus: Eumedonus
- Genus: Eurycarcinus
- Genus: Glabropilumnus
- Genus: Gonatonotus
- Genus: Gorgonariana
- Genus: Hapalonotus
- Genus: Harrovia
- Genus: Heteropanope
- Genus: Heteropilumnus
- Genus: Itampolus
- Genus: Latopilumnus
- Genus: Lentilumnus
- Genus: Lobopilumnus
- Genus: Lophopilumnus
- Genus: Lophoplax
- Genus: Luteocarcinus
- Genus: Mertonia
- Genus: Nanopilumnus
- Genus: Neoactumnus
- Genus: Paranotonyx
- Genus: Parapleurophrycoides
- Genus: Paraselwynia
- Genus: Peleianus
- Genus: Permanotus
- Genus: Pilumnopeus
- Genus: Pilumnus
- Genus: Priapipilumnus
- Genus: Pronotonyx
- Genus: Pseudactumnus
- Genus: Pseudocryptocoeloma
- Genus: Pseudolitochira
- Genus: Rhabdonotus
- Genus: Rhizopa
- Genus: Rhizopoides
- Genus: Selwynia
- Genus: Ser
- Genus: Serenepilumnus
- Genus: Serenolumnus
- Genus: Takedana
- Genus: Tauropus
- Genus: Tiaramedon
- Genus: Typhlocarcinops
- Genus: Typhlocarcinus
- Genus: Vellumnus
- Genus: Viaderiana
- Genus: Xenophthalmodes
- Genus: Xestopilumnus
- Genus: Xlumnus
- Genus: Zebrida
- Genus: Zebridonus
- Genus: Zehntneriana
Family: Pilumnoididae
- Genus: Pilumnoides
Family: Pinnotheridae
- Genus: Abyssotheres
- Genus: Afropinnotheres
- Genus: Alain
- Genus: Alainotheres
- Genus: Alarconia
- Genus: Arcotheres
- Genus: Austinixa
- Genus: Austinotheres
- Genus: Bonita
- Genus: Buergeres
- Genus: Calyptraeotheres
- Genus: Clypeasterophilus
- Genus: Dissodactylus
- Genus: Durckheimia
- Genus: Enigmatheres
- Genus: Epulotheres
- Genus: Ernestotheres
- Genus: Fabia
- Genus: Gemmotheres
- Genus: Glassellia
- Genus: Holotheres
- Genus: Holothuriophilus
- Genus: Hospitotheres
- Genus: Indopinnixa
- Genus: Juxtafabia
- Genus: Limotheres
- Genus: Nannotheres
- Genus: Nepinnotheres
- Genus: Opisthopus
- Genus: Orthotheres
- Genus: Ostracotheres
- Genus: Parapinnixa
- Genus: Pinnaxodes
- Genus: Pinnixa
- Genus: Pinnotherelia
- Genus: Pinnotheres
- Genus: Pseudopinnixa
- Genus: Raytheres
- Genus: Sakaina
- Genus: Scleroplax
- Genus: Serenotheres
- Genus: Sindheres
- Genus: Solenotheres
- Genus: Tetrias
- Genus: Tridacnatheres
- Genus: Tumidotheres
- Genus: Tunicotheres
- Genus: Uruma
- Genus: Viridotheres
- Genus: Visayeres
- Genus: Waldotheres
- Genus: Xanthasia
- Genus: Zaops
Family: Pirimelidae
- Genus: Pirimela
- Genus: Sirpus
Family: Plagusiidae
- Genus: Davusia
- Genus: Euchirograpsus
- Genus: Guinusia
- Genus: Miersiograpsus
- Genus: Percnon
Family: Planopilumnidae
- Genus: Haemocinus
- Genus: Planopilumnus
- Genus: Platychelonion
- Genus: Rathbunaria
Family: Platyxanthidae
- Genus: Homalaspis
- Genus: Peloeus
- Genus: Platyxanthus
Family: Polybiidae
- Genus: Bathynectes
- Genus: Benthochascon
- Genus: Brusinia
- Genus: Coenophthalmus
- Genus: Macropipus
- Genus: Ovalipes
- Genus: Parathranites
- Genus: Raymanninus
Family: Polychelidae
- Genus: Cardus
- Genus: Homeryon
- Genus: Pentacheles
- Genus: Polycheles
- Genus: Stereomastis
- Genus: Willemoesia
Family: Porcellanidae
- Genus: Aliaporcellana
- Genus: Allopetrolisthes
- Genus: Ancylocheles
- Genus: Capilliporcellana
- Genus: Clastotoechus
- Genus: Enosteoides
- Genus: Euceramus
- Genus: Eulenaios
- Genus: Heteropolyonyx
- Genus: Heteroporcellana
- Genus: Liopetrolisthes
- Genus: Lissoporcellana
- Genus: Madarateuchus
- Genus: Megalobrachium
- Genus: Minyocerus
- Genus: Neopetrolisthes
- Genus: Neopisosoma
- Genus: Novorostrum
- Genus: Orthochela
- Genus: Pachycheles
- Genus: Parapetrolisthes
- Genus: Petrocheles
- Genus: Petrolisthes
- Genus: Pisidia
- Genus: Polyonyx
- Genus: Porcellana
- Genus: Porcellanella
- Genus: Pseudoporcellanella
- Genus: Raphidopus
- Genus: Ulloaia
Family: Portunidae
- Genus: Achelous
- Genus: Arenaeus
- Genus: Atoportunus
- Genus: Callinectes
- Genus: Caphyra
- Genus: Carcinus
- Genus: Carupa
- Genus: Carupella
- Genus: Catoptrus
- Genus: Cavoportunus
- Genus: Charybdis
- Genus: Coelocarcinus
- Genus: Cronius
- Genus: Cycloachelous
- Genus: Echinolatus
- Genus: Euphylax
- Genus: Gonioinfradens
- Genus: Gonioneptunus
- Genus: Hellenus
- Genus: Laleonectes
- Genus: Libystes
- Genus: Liocarcinus
- Genus: Lissocarcinus
- Genus: Lupella
- Genus: Lupocyclus
- Genus: Monomia
- Genus: Necora
- Genus: Nectocarcinus
- Genus: Neptunus
- Genus: Podophthalmus
- Genus: Polybius
- Genus: Portumnus
- Genus: Portunus
- Genus: Richerellus
- Genus: Sanquerus
- Genus: Scylla
- Genus: Thalamita
- Genus: Thalamitoides
- Genus: Xaiva
Family: Potamidae
- Genus: Acanthopotamon
- Genus: Acartiapotamon
- Genus: Alcomon
- Genus: Allopotamon
- Genus: Amamiku
- Genus: Aparapotamon
- Genus: Apotamonautes
- Genus: Artopotamon
- Genus: Aspermon
- Genus: Badistemon
- Genus: Balssipotamon
- Genus: Beccumon
- Genus: Bottapotamon
- Genus: Candidiopotamon
- Genus: Carpomon
- Genus: Cerberusa
- Genus: Chinapotamon
- Genus: Cryptopotamon
- Genus: Daipotamon
- Genus: Dalatomon
- Genus: Demanietta
- Genus: Doimon
- Genus: Donopotamon
- Genus: Dromothelphusa
- Genus: Eosamon
- Genus: Erebusa
- Genus: Esanpotamon
- Genus: Flabellamon
- Genus: Geothelphusa
- Genus: Hainanpotamon
- Genus: Heterochelamon
- Genus: Himalayapotamon
- Genus: Huananpotamon
- Genus: Ibanum
- Genus: Indochinamon
- Genus: Inlethelphusa
- Genus: Insulamon
- Genus: Iomon
- Genus: Isolapotamon
- Genus: Johora
- Genus: Kanpotamon
- Genus: Kempamon
- Genus: Kukrimon
- Genus: Lacunipotamon
- Genus: Laevimon
- Genus: Larnaudia
- Genus: Latopotamon
- Genus: Lobothelphusa
- Genus: Lophopotamon
- Genus: Malayopotamon
- Genus: Mediapotamon
- Genus: Megacephalomon
- Genus: Mindoron
- Genus: Minpotamon
- Genus: Nanhaipotamon
- Genus: Neilupotamon
- Genus: Nemoron
- Genus: Neolarnaudia
- Genus: Neotiwaripotamon
- Genus: Ovitamon
- Genus: Parapotamon
- Genus: Parapotamonoides
- Genus: Pararanguna
- Genus: Paratelphusula
- Genus: Parvuspotamon
- Genus: Phaibulamon
- Genus: Pilosamon
- Genus: Planumon
- Genus: Potamiscus
- Genus: Potamon
- Genus: Pudaengon
- Genus: Pupamon
- Genus: Qianpotamon
- Genus: Quadramon
- Genus: Rathbunamon
- Genus: Ryukyum
- Genus: Setosamon
- Genus: Shanphusa
- Genus: Sinolapotamon
- Genus: Sinopotamon
- Genus: Socotra
- Genus: Socotrapotamon
- Genus: Stelomon
- Genus: Stoliczia
- Genus: Takpotamon
- Genus: Tenuilapotamon
- Genus: Tenuipotamon
- Genus: Teretamon
- Genus: Terrapotamon
- Genus: Thaiphusa
- Genus: Thaipotamon
- Genus: Tiwaripotamon
- Genus: Tomaculamon
- Genus: Trichopotamon
- Genus: Vadosapotamon
- Genus: Vietopotamon
- Genus: Villopotamon
- Genus: Yarepotamon
Family: Potamonautidae
- Genus: Afrithelphusa
- Genus: Boreathelphusa
- Genus: Deckenia
- Genus: Erimetopus
- Genus: Foza
- Genus: Globonautes
- Genus: Hydrothelphusa
- Genus: Liberonautes
- Genus: Louisea
- Genus: Madagapotamon
- Genus: Malagasya
- Genus: Marojejy
- Genus: Platythelphusa
- Genus: Potamonautes
- Genus: Potamonemus
- Genus: Seychellum
- Genus: Skelosophusa
- Genus: Sudanonautes
Family: Poupiniidae
- Genus: Poupinia
Family: Procarididae
- Genus: Procaris
- Genus: Vetericaris
Family: Processidae
- Genus: Ambidexter
- Genus: Clytomanningus
- Genus: Hayashidonus
- Genus: Nikoides
- Genus: Processa
Family: Progeryonidae
- Genus: Paragalene
- Genus: Progeryon
- Genus: Rhadinoplax
Family: Psalidopodidae
- Genus: Psalidopus
Family: Pseudochelidae
- Genus: Pseudocheles
Family: Pseudorhombilidae
- Genus: Bathyrhombila
- Genus: Chacellus
- Genus: Euphrosynoplax
- Genus: Nanoplax
- Genus: Oediplax
- Genus: Perunorhombila
- Genus: Pseudorhombila
- Genus: Trapezioplax
Family: Pseudothelphusidae
- Genus: Achlidon
- Genus: Allacanthos
- Genus: Brasiliothelphusa
- Genus: Camptophallus
- Genus: Chaceus
- Genus: Disparithelphusa
- Genus: Ehecatusa
- Genus: Eidocamptophallus
- Genus: Elsalvadoria
- Genus: Epilobocera
- Genus: Eudaniela
- Genus: Fredius
- Genus: Guinotia
- Genus: Hypolobocera
- Genus: Kingsleya
- Genus: Kunziana
- Genus: Lindacatalina
- Genus: Lobithelphusa
- Genus: Martiana
- Genus: Microthelphusa
- Genus: Moritschus
- Genus: Neoepilobocera
- Genus: Neopseudothelphusa
- Genus: Neostrengeria
- Genus: Odontothelphusa
- Genus: Oedothelphusa
- Genus: Orthothelphusa
- Genus: Phallangothelphusa
- Genus: Phrygiopilus
- Genus: Potamocarcinus
- Genus: Prionothelphusa
- Genus: Pseudothelphusa
- Genus: Ptychophallus
- Genus: Raddaus
- Genus: Rodriguezus
- Genus: Smalleyus
- Genus: Spirothelphusa
- Genus: Strengeriana
- Genus: Tehuana
- Genus: Typhlopseudothelphusa
- Genus: Villalobosius
Family: Pseudoziidae
- Genus: Euryozius
- Genus: Flindersoplax
- Genus: Pseudozius
Family: Pylochelidae
- Genus: Bathycheles
- Genus: Cheiroplatea
- Genus: Forestocheles
- Genus: Mixtopagurus
- Genus: Parapylocheles
- Genus: Pomatocheles
- Genus: Pylocheles
- Genus: Trizocheles
- Genus: Xylocheles
Family: Pylojacquesidae
- Genus: Lemaitreopsis
- Genus: Pylojacquesia
Family: Raninidae
- Genus: Cosmonotus
- Genus: Cyrtorhina
- Genus: Erroranilia
- Genus: Lyreidus
- Genus: Lysirude
- Genus: Notopoides
- Genus: Notopus
- Genus: Notosceles
- Genus: Ranilia
- Genus: Ranina
- Genus: Raninoides
- Genus: Symethis
- Genus: Umalia
Family: Retroplumidae
- Genus: Bathypluma
- Genus: Retropluma
Family: Rhynchocinetidae
- Genus: Cinetorhynchus
- Genus: Rhynchocinetes
Family: Scalopidiidae
- Genus: Scalopidia
Family: Scyllaridae
- Genus: Acantharctus
- Genus: Antarctus
- Genus: Antipodarctus
- Genus: Arctides
- Genus: Bathyarctus
- Genus: Biarctus
- Genus: Chelarctus
- Genus: Crenarctus
- Genus: Eduarctus
- Genus: Evibacus
- Genus: Galearctus
- Genus: Gibbularctus
- Genus: Ibacus
- Genus: Parribacus
- Genus: Petrarctus
- Genus: Remiarctus
- Genus: Scammarctus
- Genus: Scyllarides
- Genus: Scyllarus
- Genus: Thenus
Family: Sergestidae
- Genus: Acetes
- Genus: Allosergestes
- Genus: Deosergestes
- Genus: Eusergestes
- Genus: Neosergestes
- Genus: Parasergestes
- Genus: Peisos
- Genus: Petalidium
- Genus: Sergestes
- Genus: Sergia
- Genus: Sicyonella
Family: Sesarmidae
- Genus: Aratus
- Genus: Armases
- Genus: Bresedium
- Genus: Chiromantes
- Genus: Clistocoeloma
- Genus: Episesarma
- Genus: Geosesarma
- Genus: Haberma
- Genus: Karstarma
- Genus: Labuanium
- Genus: Lithoselatium
- Genus: Metagrapsus
- Genus: Metasesarma
- Genus: Metopaulias
- Genus: Muradium
- Genus: Namlacium
- Genus: Nanosesarma
- Genus: Neosarmatium
- Genus: Neosesarma
- Genus: Parasesarma
- Genus: Perisesarma
- Genus: Pseudosesarma
- Genus: Sarmatium
- Genus: Scandarma
- Genus: Selatium
- Genus: Sesarma
- Genus: Sesarmoides
- Genus: Sesarmops
- Genus: Stelgistra
- Genus: Tiomanium
Family: Sicyoniidae
- Genus: Sicyonia
Family: Solenoceridae
- Genus: Cryptopenaeus
- Genus: Gordonella
- Genus: Hadropenaeus
- Genus: Haliporoides
- Genus: Haliporus
- Genus: Hymenopenaeus
- Genus: Mesopenaeus
- Genus: Pleoticus
- Genus: Solenocera
Family: Sotoplacidae
- Genus: Sotoplax
Family: Spongicolidae
- Genus: Engystenopus
- Genus: Globospongicola
- Genus: Microprosthema
- Genus: Paraspongicola
- Genus: Spongicola
- Genus: Spongicoloides
- Genus: Spongiocaris
Family: Stenopodidae
- Genus: Juxtastenopus
- Genus: Odontozona
- Genus: Richardina
- Genus: Stenopus
Family: Strahlaxiidae
- Genus: Neaxiopsis
- Genus: Neaxius
- Genus: Strahlaxius
Family: Stylodactylidae
- Genus: Bathystylodactylus
- Genus: Neostylodactylus
- Genus: Parastylodactylus
- Genus: Stylodactyloides
- Genus: Stylodactylus
Family: Tanaochelidae
- Genus: Tanaocheles
Family: Tetraliidae
- Genus: Tetralia
- Genus: Tetraloides
Family: Thalassinidae
- Genus: Thalassina
Family: Thalassocarididae
- Genus: Chlorotocoides
- Genus: Thalassocaris
Family: Thiidae
- Genus: Nautilocorystes
- Genus: Thia
Family: Thomassiniidae
- Genus: Crosniera
- Genus: Mictaxius
- Genus: Thomassinia
Family: Trapeziidae
- Genus: Calocarcinus
- Genus: Hexagonalia
- Genus: Hexagonaloides
- Genus: Philippicarcinus
- Genus: Quadrella
- Genus: Sphenomerides
- Genus: Trapezia
Family: Trichodactylidae
- Genus: Avotrichodactylus
- Genus: Bottiella
- Genus: Dilocarcinus
- Genus: Forsteriana
- Genus: Fredilocarcinus
- Genus: Goyazana
- Genus: Melocarcinus
- Genus: Moreirocarcinus
- Genus: Poppiana
- Genus: Rodriguezia
- Genus: Rotundovaldivia
- Genus: Sylviocarcinus
- Genus: Trichodactylus
- Genus: Valdivia
- Genus: Zilchiopsis
Family: Trichopeltariidae
- Genus: Peltarion
- Genus: Podocatactes
- Genus: Pteropeltarion
- Genus: Sphaeropeltarion
- Genus: Trichopeltarion
Family: Ucididae
- Genus: Ucides
Family: Upogebiidae
- Genus: Acutigebia
- Genus: Aethogebia
- Genus: Arabigebicula
- Genus: Austinogebia
- Genus: Gebiacantha
- Genus: Gebicula