Malacostraca Latreille, 1802
Acanthinopus Pinna, 1974
Achagua Campos, 2001
Acheloüs
Acidopsidae Stevcic, 2005
Actaeites Müller & Collins, 1991
Actaeodius Klunzinger, 1913
Actaeopsis Carter, 1898
Acteodes
Actoea
Aerope White, 1847
Aethridae Dana, 1851
Alcmonacaris Polz, 2009
Allobrachium Jayachandran, 2001
Alpheoidea Rafinesque, 1815
Amanthia
Ammopylocheles Van Bakel, Fraaije, Jagt & Artal, 2008
Amphiplectus Bate, 1888
Anacalliacidae
Anaglyptus A. Milne-Edwards, 1873
Anebocaris Bate, 1888
Aphanodactylidae Ahyong & Ng, 2009
Archithelphusa
Aspidogaster Assmann, 1928
Astacoidea Latreille, 1802
Atelecyclidae Ortmann, 1893
Atelecylidae
Atyoidea de Haan, 1849
Aulacopodia Bosquet, 1854
Axianassidae Schmitt, 1924
Axioidea Huxley, 1879
Bannikovia Garassino & Teruzzi, 1996
Basinotopidae
Belliidae Dana, 1852
Blaculla Münster, 1839
Blastia White, 1847
Borcia
Bottia
Bresilioidea Calman, 1896
Brome Münster, 1839
Bucculentidae
Buergerocaris Schweigert & Garassino, 2004
Bythograeidae Williams, 1980
Calapa
Calappidae Milne Edwards, 1837
Callianassoidea Dana, 1852
Camarocarcinidae
Camptandriidae Stimpson, 1858
Camptocaris Ortmann, 1893
Campylonotoidea Sollaud, 1913
Cancridae Latreille, 1802
Cancroidea
Caprocancer Müller & Collins, 1991
Carcinidae MacLeay, 1838
Carcinocarcinus
Carcinoplacidae
Cardirhynchus Schlüter, 1862
Caricyphus Bate, 1888
Carinaranina Tucker, 1998
Carinocarcinoididae
Carpiliidae Ortmann, 1893
Carpiliodes
Carpopenaeidae
Caspiastacus Starobogatov, 1995
Catoptridae
Caulurus Stimpson, 1860
Cenomanocarcinidae
Chaenostoma Stimpson, 1858
Charassocarcinus Van Straelen, 1925
Chasmocarcinidae Serène, 1964
Cheiragonidae Ortmann, 1893
Chiiengphoherus
Chilenophoberidae
Chimaerastacidae
Chlorododius Klunzinger, 1913
Chorodius
Cleistotoma
Colpocaris von Meyer, 1862
Componocancridae
Conleyidae Stevcic, 2005
Copiocaris Thiele, 1905
Corellicarcinus
Coronocaris Ortmann, 1893
Corystidae Samouelle, 1819
Crangonoidea Haworth, 1825
Cretachlorodius Fraaye, 1996
Cretachlorodus
Cricoidoscelosidae
Cristella Collins & Rasmussen, 1992
Crossotonotidae Moosa & Serène, 1981
Cryptochiridae Paulson, 1875
Cryptodromidiopsis
Cyclodorippidae Ortmann, 1892
Cyloes
Cymonomidae Bouvier, 1897
Dacryopilumnidae Serène, 1984
Dairidae Ng & Rodriguez, 1986
Dairoididae Stevcic, 2005
Dakoticancridae
Daldorfiidae Ng & Rodriguez, 1986
Daragrapsus Müller & Collins, 1991
Daranyia Lorenthey, 1901
Deckeniidae Ortmann, 1897
Dendrobranchiata
Denthoxanthus
Desmarestia Czerniavsky, 1878
Diaphoropus Silvestri, 1897
Dohrnia Czerniavsky, 1878
Domeciidae Ortmann, 1893
Doratiopus
Dorippidae MacLeay, 1838
Doryphorus Norman, 1861
Dotillidae Stimpson, 1858
Dromiidae De Haan, 1833
Dynomena Eydoux & Souleyet, 1842
Dynomenidae Ortmann, 1892
Enoplometopoidea de Saint Laurent, 1988
Eopaguropsis Van Bakel, Fraaije, Jagt & Artal, 2008
Eotylaspis Van Bakel, Fraaije, Jagt & Artal, 2008
Eoxanthias Hu & Tao, 1996
Epilobacera
Epistoeavea Davie, 1992
Eriphiidae MacLeay, 1838
Erymastacus Beurlen, 1928
Erymidae
Eryonoidea De Haan, 1841
Ethusidae Guinot, 1977
Etyiidae
Eudromia
Eumedonidae Dana, 1853
Eumunididae A. Milne Edwards & Bouvier, 1900
Eumunidopsis de Saint Laurent & Poupin, 1996
Euplax H. Milne Edwards, 1852
Eurycarpus Schlüter, 1868
Euryplacidae Stimpson, 1871
Falcicaris Ortmann, 1893
Fodina Jordan, 1982
Galatheacarididae Vereshchaka, 1997
Galatheoidea Samouelle, 1819
Galenidae Alcock, 1898
Gampsurus
Gastrodoridae
Gecarcinautes
Gecarcinidae MacLeay, 1838
Gecarcinucidae Rathbun, 1904
Geryonidae Colosi, 1923
Glabropilumus
Glaessnerella Wright & Collins, 1975
Glaessneropsidae
Glareocola Bouchard & Bouchard, 1995
Glypheoidea Winkler, 1883
Glyptograpsidae Schubart, Cuesta & Felder, 2002
Glyptonotus A. Milne-Edwards, 1865
Gnathograpsus A. Milne-Edwards, 1868
Goneplacidae MacLeay, 1838
Goniodromitidae
Gordonia
Gourettiidae
Grapse
Grapsidae MacLeay, 1838
Hapalogastridae Brandt, 1850
Hecia
Hefriga Münster, 1839
Hela Münster, 1840
Heloeciidae H. Milne Edwards, 1852
Hepatidae Stimpson, 1871
Hexapodidae Miers, 1886
Hippoidea Latreille, 1825
Holthuisia
Homelys von Meyer, 1862
Homolidae De Haan, 1839
Homolodromiidae Alcock, 1900
Hypothalassiidae Karasawa & Schweitzer, 2006
Ibericancridae
Iberihomola Van Straelen, 1940
Imaizumila Karasawa, 1993
Imocaris Schram & Mapes, 1984
Iphiculidae Alcock, 1896
Iphimedia A. Milne-Edwards, 1866
Isabellagordonia
Isaea Agassiz, 1846
Isolapotamidae
Itoigawaia Karasawa, Sakumoto & Takayasu, 1992
Janira Risso, 1816
Jurapylocheles Van Bakel, Fraaije, Jagt & Artal, 2008
Klytia Meyer, 1840
Knebalia
Konidromitidae
Kyptocaris Bate, 1888
Laeviranina Lörenthey & Beurlen, 1929
Lambropsis Lorenthey, 1907
Latreilliidae Stimpson, 1858
Lecythocaridae
Leiothorax Pinna, 1974
Leptoides Collins, Fraaye & Jagt, 1995
Leptopodia
Leucosiidae Samouelle, 1819
Liocaris Beurlen, 1931
Lissopsis Fritsch & Kafka, 1887
Lithophylacidae
Litocheiridae Stevcic, 2005
Lomisidae Bouvier, 1895
Longodromitidae
Longusorbiidae
Lupeites Fritsch & Kafka, 1887
Macromaxillocarididae Alvarez, Iliffe & Villalobos, 2006
Macrophthalmidae Dana, 1851
Macropipidae
Majoidea Samouelle, 1819
Marocarcinidae
Martinezicancer Van Straelen, 1939
Martinocarcinidae
Mascarananda
Mathildellidae Karasawa & Kato, 2003
Matutidae De Hann, 1841
Mecochiria Secretan, 1968
Mecochiridae
Megaxantho Vega, Feldmann, García-Barrera, Filkorn, Pimentel & Avendaño, 2001
Menippidae Ortmann, 1893
Mesodromilites Woodward, 1900
Mesodromites
Mictyridae Dana, 1851
Mithracites Gould, 1859
Mitraculus
Muelleroplax Schweitzer, Feldmann, Garassino, Karasawa & Schweigert, 2010
Necrocarcinidae Föster, 1968
Nematocarcinoidea Smith, 1884
Nematocarinidae
Neopliumnoplax
Nephropoidea Dana, 1852
Nipponopon Karasawa, Kato & Terabe, 2006
Nodoprosopidae
Ocypodidae Rafinesque, 1815
Odontolophus Bate, 1888
Oedisoma Bell, 1858
Oligocaris Ortmann, 1893
Olinaecaris Van Straelen, 1924
Onconectes
Oonoton Glaessner, 1980
Opisthocera Smith, 1870
Oplophoroidea Dana, 1852
Orithopsidae
Orithyiidae Dana, 1853
Ovocarcinus Müller & Collins, 1991
Oxythyreus Bronn & Roemer, 1852
Oziidae Dana, 1851
Paguroidea Latreille, 1802
Palaemonoidea Rafinesque, 1815
Palaeohomarus Mertin, 1941
Palaeopemphia
Palaeopentachelidae
Palaeopolycheles Knebel, 1909
Palaeoxanthopsidae
Palaxius
Paleoxanthopsidae
Palicidae Bouvier, 1898
Palinuroidea Latreille, 1802
Pandacaricyphus Coutière, 1907
Pandaloidea Haworth, 1825
Panopeidae Ortmann, 1893
Para- (Globi-) thelphusa
Para-Bary-Thelphusa
Para-Lio-thelphusa
Paracallianidea Sakai, 1992
Parafavreina Bronnimann, Caron & Zaninetti, 1972
Paramaja Kubo, 1936
Paramareotis Komai, Goshima & Murai, 1995
Parastacoidea Huxley, 1879
Paratelphusa
Parathelphusidae Alcock, 1910
Parathephusa
Paraxanthosia Müller & Collins, 1991
Parazanthopsis Vega, Feldmann, Garcia-Barrera, Filkorn, Pimentel & Avendano, 2001
Parthenopidae MacLeay, 1838
Parvocaris Bravi & Garassino, 1998
Pasiphaeoidea Dana, 1852
Pemphicidae
Penaeoidea Rafinesque, 1815
Percnidae tevcic, 2005
Periclemenes
Phalangites Münster, 1839
Phlyctisoma Bell, 1862
Phycodes
Phyllotymolinidae Tavares, 1998
Physetocarididae Chace, 1940
Pilumnidae Samouelle, 1819
Pilumnoididae Guinot & MacPherson, 1987
Pilumnomimus Müller & Collins, 1991
Pinnacaris Garassino & Teruzzi, 1993
Pinnotheridae De Haan, 1833
Piratella Assmann, 1928
Pirimelidae Alcock, 1899
Plagusiidae Dana, 1851
Plagusiinae
Planopilumnidae Serène, 1984
Platythelphusidae Colosi, 1920
Platyxanthidae Guinot, 1977
Pleopteryxidae
Podonema
Podopsis Thompson, 1830
Polybiidae Ortmann, 1893
Portunidae Rafinesque, 1815
Posidon Illiger, 1801
Posydon Weber, 1795
Potamidae Ortmann, 1896
Potamocarcinidae
Potamonautidae Bott, 1970
Poupiniidae Guinot, 1991
Pregeryona Hu & Tao, 1996
Prepaeduma Morris & Collins, 1991
Procaridoidea Chace & Manning, 1972
Processoidea Ortmann, 1890
Prochlorodius Müller & Collins, 1991
Progeryonidae Stevcic, 2005
Prosopidae
Protastacidae
Protonecrocarcinus Förster, 1968
Psalidopodoidea Wood Mason & Alcock, 1892
Psammocarcinidae
Psammograpsus A. Milne-Edwards, 1860
Pseudodaranyia Tessier, Beschin, Busulini & De Angeli, 1999
Pseudoraninella Beurlen, 1930
Pseudorhombilidae Alcock, 1900
Pseudorogueus Fraaye, 1995
Pseudothelphusidae Ortmann, 1893
Pseudoziidae Alcock, 1898
Raninidae De Haan, 1839
Retroplumidae Gill, 1894
Retrorsichelidae
Rhomaleocaris Bate, 1888
Rhyncoplax
Rhynolambrus
Rioarribia
Rugafarius Bishop, 1985
Saga Münster, 1839
Scalopidiidae Stevcic, 2005
Secretanella Guinot & Tavares, 2001
Semiranina Bachmayer, 1954
Sergestoidea Dana, 1852
Sesarmidae Dana, 1851
Sotoplacidae Castro, Guinot & Ng, 2010
Spongicolidae Schram, 1986
Stagmacaris Schweigert, 2006
Stankempius
Stenocarabus Gravier, 1923
Stenochiridae
Stenocinops
Stenopodidae Claus, 1872
Stenorynchus
Strengeria
Stylodactyloidea Bate, 1888
Styrioplax Glaessner, 1969
Symathus Rafinesque, 1815
Symethidae Goeke, 1981
Syphax A. Milne-Edwards, 1864
Tanaocheleidae
Tanaochelidae Ng & Clark, 2000
Tanidromitidae
Telphusograpsus Lorenthey, 1902
Tetrachelus
Tetraliidae Castro, Ng & Ahyong, 2004
Thalassinoidea Latreille, 1831
Thelecarcinus Böhm, 1922
Thelphusa
Thiidae Dana, 1852
Tiche Marck, 1863
Tithonohomolidae
Tizeuma
Torynommatidae
Trapeziidae Miers, 1886
Triasiglyphea van Straelen, 1936
Trichocera
Trichodactyloidea H. Milne Edwards, 1853
Trichopaltarion
Trichopeltariidae Tavares & Cleva, 2010
Trisellescens Bouchard & Bouchard, 1995
Tritodynamea
Trogloplacidae
Tumidocarcinidae Schweitzer, 2005
Ucididae Stevcic, 2005
Udora Münster, 1839
Vanua Rathbun, 1945
Vanuachela Kammerer, 2006
Varunidae Milne Edwards, 1853
Vates Gistl, 1848
Vultocinidae Ng & Manuel-Santos, 2007
Wanga Hu & Tao, 1996
Woodbinax Stenzel, 1952
Wulaicarcinus Hu & Tao, 1996
Xandarocarcinidae
Xanthidae MacLeay, 1838
Xanthosioides Collins & Breton, 2009
Xenograpsidae N. K. NG, Davie, Schubart & NG, 2007
Xenophthalmidae Stimpson, 1858
Xiphonectes
Zanthopsidae Via, 1959
Zewa McCulloch, 1913
Zuphanusa Leach, 1830