Between brackets is the number of accepted extant species
Click on "-" to collapse/hide all child taxa
Shows the number of accepted extant species within the taxon
The last expanded taxon is highlighted
Click on "+" to expand/show all child taxa
Click to see the taxon details page
- Decapoda (17 683)
- Suborder Decapoda incertae sedis †
- Suborder Dendrobranchiata (533)
- Suborder Euzygida accepted as Stenopodidea
- Suborder Heterochelida
- Suborder Macrura
- Suborder Macrura reptantia
- Suborder Natantia
- Suborder Pleocyemata (17 150)
- Infraorder Achelata (153)
- Infraorder Anomura (3 414)
- Infraorder Astacidea (783)
- Infraorder Axiidea (600)
- Infraorder Brachyura (7 883)
- Section Callichimaeroida †
- Section Cyclodorippoida (110)
- Section Dakoticancroida †
- Section Dromiacea (189)
- Section Etyoida †
- Section Eubrachyura (7 446)
- Subsection Heterotremata (6 086)
- Subsection Thoracotremata (1 360)
- Superfamily Aphanodactyloidea Ahyong & Ng, 2009 (16)
- Superfamily Cryptochiroidea Paulson, 1875 (56)
- Superfamily Grapsoidea MacLeay, 1838 (645)
- Family Brankocleistostomidae Števčić, 2011 accepted as Gaeticinae Davie & Ng, 2007
- Family Gecarcinidae MacLeay, 1838 (27)
- Family Gegarcinidae MacLeay, 1838 accepted as Gecarcinidae MacLeay, 1838
- Family Glyptograpsidae Schubart, Cuesta & Felder, 2002 (3)
- Family Grapsidae MacLeay, 1838 (39)
- Family Grapsoidea incertae sedis †
- Family Leptograpsodidae Guinot, Ng & Rodriguez Moreno, 2018 (1)
- Family Percnidae Števčić, 2005 (7)
- Family Plagusiidae Dana, 1851 (21)
- Family Sesarmidae Dana, 1851 (348)
- Genus Andamanium Naruse & Ng, 2020 (1)
- Genus Aratus H. Milne Edwards, 1853 (2)
- Genus Armases Abele, 1992 (13)
- Genus Bresedium Serène & Soh, 1970 (3)
- Genus Chiromantes Gistel, 1848 (2)
- Genus Chriselatium Ng & Wowor, 2024 (1)
- Genus Circulium Naruse & Ng, 2020 (5)
- Genus Clistocoeloma A. Milne-Edwards, 1873 (10)
- Genus Contusarma Schubart & Ng, 2020 (2)
- Genus Cristarma Schubart & Ng, 2020 (2)
- Genus Cyclorma Naruse & Ng, 2012 (1)
- Genus Danarma Schubart & Ng, 2020 (5)
- Genus Eneosesarma Brösing, Spiridonov, Al-Aidaroos & Türkay, 2014 (1)
- Genus Episesarma De Man, 1895 (7)
- Genus Fasciarma Shahdadi & Schubart, 2017 (1)
- Genus Geosesarma De Man, 1892 (75)
- Genus Guinearma Shahdadi & Schubart, 2017 (3)
- Genus Haberma Ng & Schubart, 2002 (3)
- Genus Karstarma Davie & Ng, 2007 (18)
- Genus Labuanium Serène & Soh, 1970 (1)
- Genus Leptarma Shahdadi, Fratini & Schubart, 2020 (22)
- Genus Lithoselatium Schubart, Liu & Ng, 2009 (3)
- Genus Manarma Schubart & Ng, 2020 (2)
- Genus Metagrapsus H. Milne Edwards, 1853 (1)
- Genus Metasesarma H. Milne Edwards, 1853 (2)
- Genus Metopaulias Rathbun, 1896 (1)
- Genus Miersarma Schubart & Ng, 2020 (1)
- Genus Migmarma Schubart & Ng, 2020 (3)
- Genus Mindanium Naruse & Ng, 2020 (1)
- Genus Muradium Serène & Soh, 1970 (1)
- Genus Namlacium Serène & Soh, 1970 (1)
- Genus Nanosesarma Tweedie, 1951 (11)
- Genus Neoepisesarma Serène & Soh, 1970 accepted as Episesarma De Man, 1895
- Genus Neosarmatium Serène & Soh, 1970 (18)
- Genus Neosesarma Serène & Soh, 1970 (3)
- Genus Orisarma Schubart & Ng, 2020 (6)
- Genus Parasesarma De Man, 1895 (58)
- Species Parasesarma acis Davie, 1993 accepted as Parasesarma tripectinis (Shen, 1940)
- Species Parasesarma affine (De Haan, 1837)
- Species Parasesarma africanum (Ortmann, 1894) accepted as Cristarma ortmanni (Crosnier, 1965)
- Species Parasesarma anambas Yeo, Rahayu & Ng, 2004
- Species Parasesarma asperum (Heller, 1865)
- Species Parasesarma aurifrons Li, Shih & Ng, 2019 accepted as Leptarma aurifrons (Li, Shih & Ng, 2019)
- Species Parasesarma austrawati Shahdadi, Davie & Schubart, 2019
- Species Parasesarma batavianum (De Man, 1890)
- Species Parasesarma bengalense (Davie, 2003)
- Species Parasesarma bidens (De Haan, 1835)
- Species Parasesarma brevicristatum (Campbell, 1967)
- Species Parasesarma calypso (De Man, 1895)
- Species Parasesarma capensis Fratini, Cannicci & Innocenti in Fratini, Cannicci, Porri & Innocenti, 2019
- Species Parasesarma carolinense Rathbun, 1907
- Species Parasesarma catenatum (Ortmann, 1897)
- Species Parasesarma charis Rahayu & Ng, 2005
- Species Parasesarma chiahsiang Shih, Hsu & Li, 2023
- Species Parasesarma cognatum Rahayu & Li, 2013 accepted as Parasesarma liho Koller, Liu & Schubart, 2010
- Species Parasesarma continentale Shih, Hsu & Li, 2023
- Species Parasesarma corallicum Ng, Davie & Li, 2016
- Species Parasesarma cricotum (Rahayu & Davie, 2002)
- Species Parasesarma darwinense (Campbell, 1967)
- Species Parasesarma daviei Shahdadi, Schubart & Mendoza, 2021
- Species Parasesarma dumacense (Rathbun, 1914)
- Species Parasesarma ellenae (Pretzmann, 1968)
- Species Parasesarma erythodactylum (Hess, 1865)
- Species Parasesarma eumolpe (De Man, 1895)
- Species Parasesarma exquisitum (Dai & Song, 1986)
- Species Parasesarma foresti (Rahayu & Davie, 2002) accepted as Parasesarma indiarum (Tweedie, 1940)
- Species Parasesarma gazi Cannici, Innocenti & Fratini in Cannicci, Schubart, Innocenti, Dahdouh-Guebas, Shahdadi & Fratini, 2017 accepted as Leptarma gazi (Cannici, Innocenti & Fratini in Cannici, Schubart, Innocenti, Dahdouh-Guebas, Shahdadi & Fratini, 2017)
- Species Parasesarma gecko Li, Rahayu & Ng, 2018 accepted as Leptarma gecko (Li, Rahayu & Ng, 2018)
- Species Parasesarma gemmatum Li, Shih & Ng, 2019
- Species Parasesarma gracilipes Li, Rahayu & Ng, 2018 accepted as Leptarma gracilipes (Li, Rahayu & Ng, 2018)
- Species Parasesarma guttatum (A Milne-Edwards, 1869)
- Species Parasesarma hartogi Davie & Pabriks, 2010
- Species Parasesarma haswelli (De Man, 1887)
- Species Parasesarma holthuisi (Davie, 2010)
- Species Parasesarma indiarum (Tweedie, 1940)
- Species Parasesarma insulare Shih, Hsu & Li, 2023
- Species Parasesarma jamelense (Rathbun, 1914) accepted as Leptarma jamelense (Rathbun, 1914)
- Species Parasesarma kuekenthali (De Man, 1902)
- Species Parasesarma kui Li, Rahayu & Ng, 2018 accepted as Leptarma kui (Li, Rahayu & Ng, 2018)
- Species Parasesarma lanchesteri (Tweedie, 1936)
- Species Parasesarma lenzii (De Man, 1895) accepted as Leptarma lenzii (De Man, 1895)
- Species Parasesarma lepidum (Tweedie, 1950)
- Species Parasesarma leptosoma (Hilgendorf, 1869) accepted as Leptarma leptosoma (Hilgendorf, 1869)
- Species Parasesarma leptosomum (Hilgendorf, 1896) accepted as Leptarma leptosoma (Hilgendorf, 1869)
- Species Parasesarma liho Koller, Liu & Schubart, 2010 accepted as Leptarma liho (Koller, Liu & Schubart, 2010)
- Species Parasesarma limbense (Rathbun, 1914) accepted as Leptarma limbense (Rathbun, 1914)
- Species Parasesarma lividum (A Milne-Edwards, 1869)
- Species Parasesarma longicristatum (Campbell, 1967)
- Species Parasesarma luomi Serène, 1982
- Species Parasesarma macaco Li, Rahayu & Ng, 2018 accepted as Leptarma macaco (Li, Rahayu & Ng, 2018)
- Species Parasesarma maipoense (Soh, 1978)
- Species Parasesarma melissa (De Man, 1888)
- Species Parasesarma messa (Campbell, 1967)
- Species Parasesarma moluccense (De Man, 1892) accepted as Leptarma moluccense (De Man, 1892)
- Species Parasesarma obliquifrons (Rathbun, 1924) accepted as Leptarma obliquifrons (Rathbun, 1924)
- Species Parasesarma onychophorum (De Man, 1895)
- Species Parasesarma palauense Takeda, 1971
- Species Parasesarma pangauranense (Rathbun, 1914)
- Species Parasesarma parvulum Li, Rahayu & Ng, 2018 accepted as Leptarma parvulum (Li, Rahayu & Ng, 2018)
- Species Parasesarma paucitorum Rahayu & Ng, 2009 accepted as Leptarma paucitorum (Rahayu & Ng, 2009)
- Species Parasesarma peninsulare Shahdadi, Ng & Schubart, 2018
- Species Parasesarma persicum Naderloo & Schubart, 2010
- Species Parasesarma pictum (De Haan, 1835)
- Species Parasesarma plicatum (Latreille, 1803)
- Species Parasesarma prashadi (Chopra & Das, 1937)
- Species Parasesarma purpureum Li, Rahayu & Ng, 2018 accepted as Leptarma purpureum (Li, Rahayu & Ng, 2018)
- Species Parasesarma rahayuae Shahdadi, Schubart & Mendoza, 2023
- Species Parasesarma raouli Rahayu & Ng, 2009
- Species Parasesarma rutilimanum (Tweedie, 1936)
- Species Parasesarma samawati (Gillikin & Schubart, 2004)
- Species Parasesarma sanguimanus Li, Shih & Ng, 2019
- Species Parasesarma semperi (Bürger, 1893)
- Species Parasesarma sigillatum (Tweedie, 1950)
- Species Parasesarma tarantula Li, Rahayu & Ng, 2018 accepted as Leptarma tarantula (Li, Rahayu & Ng, 2018)
- Species Parasesarma tripectinis (Shen, 1940)
- Species Parasesarma tuerkayi (Shahdadi, Davie & Schubart, 2017)
- Species Parasesarma ungulata (H. Milne Edwards, 1853)
- Genus Perisesarma De Man, 1895 (1)
- Genus Platychirarma Schubart & Ng, 2020 (1)
- Genus Pseudosesarma Serène & Soh, 1970 (6)
- Genus Sarmatium Dana, 1851 (5)
- Genus Scandarma Schubart, Liu & Cuesta, 2003 (7)
- Genus Selatium Serène & Soh, 1970 (2)
- Genus Sesarma Say, 1817 (19)
- Genus Sesarmoides Serène & Soh, 1970 (3)
- Genus Sesarmops Serène & Soh, 1970 (9)
- Genus Shinobium Naruse & Ng, 2020 (1)
- Genus Sinosesarma Ng, Shih & Cannicci, 2019 (1)
- Genus Stelgistra Ng & Liu, 1999 (1)
- Genus Tiomanium Serène & Soh, 1970 (1)
- Genus Trapezarma Schubart & Ng, 2020 (1)
- Family Varunidae H. Milne Edwards, 1853 (196)
- Family Xenograpsidae Ng, Davie, Schubart & Ng, 2007 (3)
- Superfamily Ocypodoidea Rafinesque, 1815 (332)
- Superfamily Pinnotheroidea De Haan, 1833 (311)
- Section Homoloida (91)
- Section Podotremata accepted as Brachyura
- Section Raninoida (47)
- Section Torynommoida †
- Family Brachyura incertae sedis
- Family Cretapsaridae Luque in Luque, Xing, Briggs, Clark, Duque, Hui, Mai & McKellar, 2021 †
- Family Montemagrechiridae Klompmaker, Portell & van der Meij, 2016 †
- Genus Psammograpsus A. Milne-Edwards, 1860 †
- Genus Zoea Bosc, 1801
- Infraorder Callianassidea accepted as Axiidea
- Infraorder Caridea (3 919)
- Infraorder Gebiidea (252)
- Infraorder Glypheidea (2)
- Infraorder Palaeopalaeomonida †
- Infraorder Polychelida (38)
- Infraorder Procarididea (6)
- Infraorder Stenopodidea (100)
- Suborder Reptantia
- Suborder Trichelida