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- 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)
- Section Thaumastochelida accepted as Nephropidae Dana, 1852
- Superfamily Astacidea incertae sedis †
- Superfamily Astacoidea Latreille, 1802 (495)
- Family Astacidae Latreille, 1802 (21)
- Family Austroastacidae Clark, 1936 accepted as Parastacidae Huxley, 1879
- Family Cambaridae Hobbs, 1942 (468)
- Subfamily Cambarellinae Laguarda, 1961 accepted as Cambaridae Hobbs, 1942
- Subfamily Cambarinae Hobbs, 1942 accepted as Cambaridae Hobbs, 1942
- Subfamily Cambaroidinae Villalobos, 1955 accepted as Astacidae Latreille, 1802
- Genus Barbicambarus Hobbs, 1969 (2)
- Genus Bouchardina Hobbs, 1977 (1)
- Genus Cambarellus Ortmann, 1905 (20)
- Genus Cambarus Erichson, 1846 (122)
- Subgenus Cambarus (Aviticambarus) Hobbs, 1969 accepted as Cambarus Erichson, 1846
- Subgenus Cambarus (Barbicambarus) Hobbs, 1969 accepted as Barbicambarus Hobbs, 1969
- Subgenus Cambarus (Bartonius) Ortmann, 1905 accepted as Cambarus Erichson, 1846
- Subgenus Cambarus (Cambarellus) Ortmann, 1905 accepted as Cambarellus (Cambarellus) Ortmann, 1905
- Subgenus Cambarus (Cambarus) Erichson, 1846 accepted as Cambarus Erichson, 1846
- Subgenus Cambarus (Depressicambarus) Hobbs, 1969 accepted as Cambarus Erichson, 1846
- Species Cambarus (Depressicambarus) clairitae Schuster & Taylor, 2016 accepted as Cambarus clairitae Schuster & Taylor, 2016
- Species Cambarus (Depressicambarus) cymatilis Hobbs, 1970 accepted as Cambarus cymatilis Hobbs, 1970
- Species Cambarus (Depressicambarus) deweesae Bouchard & Etnier, 1979 accepted as Cambarus deweesae Bouchard & Etnier, 1979
- Species Cambarus (Depressicambarus) doughertyensis Cooper & Skelton, 2003 accepted as Cambarus doughertyensis Cooper & Skelton, 2003
- Species Cambarus (Depressicambarus) englishi Hobbs & Hall, 1972 accepted as Cambarus englishi Hobbs & Hall, 1972
- Species Cambarus (Depressicambarus) harti Hobbs, 1981 accepted as Cambarus harti Hobbs, 1981
- Species Cambarus (Depressicambarus) pyronotus Bouchard, 1978 accepted as Cambarus pyronotus Bouchard, 1978
- Species Cambarus (Depressicambarus) reflexus Hobbs, 1981 accepted as Cambarus reflexus Hobbs, 1981
- Species Cambarus (Depressicambarus) strigosus Hobbs, 1981 accepted as Cambarus strigosus Hobbs, 1981
- Species Cambarus (Depressicambarus) truncatus Hobbs, 1981 accepted as Cambarus truncatus Hobbs, 1981
- Species Cambarus (Depressicambarus) unestami Hobbs & Hall, 1969 accepted as Cambarus unestami Hobbs & Hall, 1969
- Subgenus Cambarus (Erebicambarus) Hobbs, 1969 accepted as Cambarus Erichson, 1846
- Subgenus Cambarus (Exilicambarus) Bouchard & Hobbs, 1976 accepted as Cambarus Erichson, 1846
- Subgenus Cambarus (Fallicambarus) Hobbs, 1969 accepted as Fallicambarus Hobbs, 1969
- Subgenus Cambarus (Faxonius) Ortmann, 1905 accepted as Faxonius Ortmann, 1905
- Subgenus Cambarus (Girardiella) Lyle, 1938 accepted as Procambarus Ortmann, 1905
- Subgenus Cambarus (Glareocola) Bouchard & Bouchard, 1995 accepted as Cambarus Erichson, 1846
- Subgenus Cambarus (Hiaticambarus) Hobbs, 1969 accepted as Cambarus Erichson, 1846
- Subgenus Cambarus (Jugicambarus) Hobbs, 1969 accepted as Cambarus Erichson, 1846
- Subgenus Cambarus (Lacunicambarus) Hobbs, 1969 accepted as Lacunicambarus Hobbs, 1969
- Subgenus Cambarus (Ortmannicus) Fowler, 1912 accepted as Procambarus Ortmann, 1905
- Subgenus Cambarus (Paracambarus) Ortmann, 1906 accepted as Procambarus Ortmann, 1905
- Subgenus Cambarus (Procambarus) Ortmann, 1905 accepted as Procambarus Ortmann, 1905
- Subgenus Cambarus (Puncticambarus) Hobbs, 1969 accepted as Cambarus Erichson, 1846
- Subgenus Cambarus (Tubericambarus) Jezerinac, 1993 accepted as Lacunicambarus Hobbs, 1969
- Subgenus Cambarus (Veticambarus) Hobbs, 1969 accepted as Cambarus Erichson, 1846
- Species Cambarus acanthura Hobbs, 1981 accepted as Lacunicambarus acanthura (Hobbs, 1981)
- Species Cambarus acherontis Lönnberg, 1895 accepted as Procambarus acherontis (Lönnberg, 1894)
- Species Cambarus acherontis Lönnberg, 1894 accepted as Procambarus acherontis (Lönnberg, 1894)
- Species Cambarus aculabrum Hobbs & Brown, 1987
- Species Cambarus acuminatus Faxon, 1884
- Species Cambarus acutissimus Girard, 1852 accepted as Procambarus acutissimus (Girard, 1852)
- Species Cambarus acutus Girard, 1852 accepted as Procambarus acutus (Girard, 1852)
- Species Cambarus adustus Thoma, Fetzner, Stocker & Loughman, 2016
- Species Cambarus advena (Le Conte, 1855) accepted as Procambarus advena (Le Conte, 1855)
- Species Cambarus affinis (Say, 1817) accepted as Faxonius limosus (Rafinesque, 1817)
- Species Cambarus alabamensis Faxon, 1884 accepted as Faxonius alabamensis (Faxon, 1884)
- Species Cambarus aldermanorum Cooper & Price, 2010
- Species Cambarus Alleni Faxon, 1884 accepted as Procambarus alleni (Faxon, 1884)
- Species Cambarus andersoni Jones & Eversole, 2015
- Species Cambarus angularis Hobbs & Bouchard, 1994
- Species Cambarus appalachiensis Loughman, Welsh & Thoma, 2017
- Species Cambarus argillicola Faxon, 1884 accepted as Creaserinus fodiens (Cottle, 1863)
- Species Cambarus asperimanus Faxon, 1914
- Species Cambarus ayersii Steele, 1902 accepted as Cambarus setosus Faxon in Garman, 1889
- Species Cambarus aztecus de Saussure, 1857 accepted as Procambarus mexicanus (Erichson, 1846)
- Species Cambarus barbatus Faxon, 1890 accepted as Procambarus barbatus (Faxon, 1890)
- Species Cambarus bartoni (Fabricius, 1798) accepted as Cambarus bartonii (Fabricius, 1798)
- Species Cambarus bartonii (Fabricius, 1798)
- Species Cambarus batchi Schuster, 1976
- Species Cambarus baumgartneri Harris, 1901 accepted as Procambarus simulans (Faxon, 1884)
- Species Cambarus blandingii (Harlan, 1830) accepted as Procambarus blandingii (Harlan, 1830)
- Species Cambarus bouchardi Hobbs, 1970
- Species Cambarus brachydactylus Hobbs, 1953
- Species Cambarus brimleyorum Cooper, 2006
- Species Cambarus buntingi Bouchard, 1973
- Species Cambarus burchfielae Perkins, Williams & Russ, 2023
- Species Cambarus callainus Thoma, Loughman & Fetzner, 2014
- Species Cambarus carinatus Faxon, 1898 accepted as Procambarus digueti (Bouvier, 1897)
- Species Cambarus carinirostris Faxon, 1914
- Species Cambarus carolinus (Erichson, 1846)
- Species Cambarus catagius Hobbs & Perkins, 1967
- Species Cambarus causeyi Reimer, 1966
- Species Cambarus chapalanus Faxon, 1898 accepted as Cambarellus (Cambarellus) chapalanus (Faxon, 1898)
- Species Cambarus chasmodactylus James, 1966
- Species Cambarus chaugaensis Prins & Hobbs, 1972
- Species Cambarus clairitae Schuster & Taylor, 2016
- Species Cambarus Clarkii Girard, 1852 accepted as Procambarus clarkii (Girard, 1852)
- Species Cambarus clivosus Taylor & Soucek in Taylor, Soucek & Organ, 2006
- Species Cambarus clypeatus Hay, 1899 accepted as Faxonella clypeata (Hay, 1899)
- Species Cambarus coecus Joseph, 1881 accepted as Orconectes pellucidus (Tellkampf, 1844)
- Species Cambarus compressus Faxon, 1884 accepted as Faxonius compressus (Faxon, 1884)
- Species Cambarus conasaugaensis Hobbs & Hobbs, 1962
- Species Cambarus consobrinus de Saussure, 1857 accepted as Procambarus cubensis cubensis (Erichson, 1846)
- Species Cambarus coosae Hobbs, 1981
- Species Cambarus coosawattae Hobbs, 1981
- Species Cambarus cornutus Faxon, 1884 accepted as Barbicambarus cornutus (Faxon, 1884)
- Species Cambarus couesi Streets, 1877 accepted as Faxonius virilis (Hagen, 1870)
- Species Cambarus cracens Bouchard & Hobbs, 1976
- Species Cambarus crinipes Bouchard, 1973
- Species Cambarus cristatus Hobbs, 1955 accepted as Hobbseus cristatus (Hobbs, 1955)
- Species Cambarus cryptodytes Hobbs, 1941
- Species Cambarus cubensis (Erichson, 1846) accepted as Procambarus cubensis cubensis (Erichson, 1846)
- Species Cambarus cumberlandensis Hobbs & Bouchard, 1973
- Species Cambarus cymatilis Hobbs, 1970
- Species Cambarus davidi Cooper, 2000
- Species Cambarus debilis Bundy in Forbes, 1876 accepted as Faxonius virilis (Hagen, 1870)
- Species Cambarus deweesae Bouchard & Etnier, 1979
- Species Cambarus difficilis Faxon, 1898 accepted as Faxonius difficilis (Faxon, 1898)
- Species Cambarus Digueti Bouvier, 1897 accepted as Procambarus digueti (Bouvier, 1897)
- Species Cambarus diogenes Girard, 1852 accepted as Lacunicambarus diogenes (Girard, 1852)
- Species Cambarus dissitus Penn, 1955 accepted as Fallicambarus dissitus (Penn, 1955)
- Species Cambarus distans Rhoades, 1944
- Species Cambarus diupalma Jones & Eversole, 2015
- Species Cambarus doughertyensis Cooper & Skelton, 2003
- Species Cambarus dubius Faxon, 1884
- Species Cambarus ectopistes Loughman & Williams, 2021
- Species Cambarus eeseeohensis Thoma, 2005
- Species Cambarus elkensis Jezerinac & Stocker, 1993
- Species Cambarus englishi Hobbs & Hall, 1972
- Species Cambarus erichsonianus Faxon, 1898 accepted as Faxonius erichsonianus (Faxon, 1898)
- Species Cambarus erythrodactylus Simon & Morris, 2014 accepted as Lacunicambarus erythrodactylus (Simon & Morris, 2014)
- Species Cambarus evermanni Faxon, 1890 accepted as Procambarus evermanni (Faxon, 1890)
- Species Cambarus extraneus Hagen, 1870
- Species Cambarus fallax Hagen, 1870 accepted as Procambarus fallax (Hagen, 1870)
- Species Cambarus fasciatus Hobbs, 1981
- Species Cambarus faxonii Meek, 1894 accepted as Faxonius lancifer (Hagen, 1870)
- Species Cambarus fetzneri Loughman, Welsh & Thoma, 2019
- Species Cambarus forceps Faxon, 1884 accepted as Faxonius forceps (Faxon, 1884)
- Species Cambarus franklini Perkins, Williams & Russ, 2019
- Species Cambarus friaufi Hobbs, 1953
- Species Cambarus gallinus Cockerel & Porter, 1900 accepted as Procambarus simulans (Faxon, 1884)
- Species Cambarus Gambelii Girard, 1852 accepted as Pacifastacus gambelii (Girard, 1852)
- Species Cambarus gentryi Hobbs, 1970
- Species Cambarus georgiae Hobbs, 1981
- Species Cambarus girardianus Faxon, 1884
- Species Cambarus gracilis Bundy in Forbes, 1876 accepted as Procambarus gracilis (Bundy in Forbes, 1876)
- Species Cambarus graysoni Faxon, 1914
- Species Cambarus guenteri Loughman, Henkanaththegedara, Fetzner & Thoma, 2017
- Species Cambarus Hagenianus Faxon, 1884 accepted as Procambarus hagenianus hagenianus (Faxon, 1884)
- Species Cambarus halli Hobbs, 1968
- Species Cambarus hamulatus (Cope in Cope & Packard, 1881)
- Species Cambarus Harrisonii Faxon, 1884 accepted as Faxonius harrisonii (Faxon, 1884)
- Species Cambarus harti Hobbs, 1981
- Species Cambarus hatfieldi Loughman, Fagundo, Lau, Welsh & Thoma, 2013
- Species Cambarus Hayi Faxon, 1884 accepted as Procambarus hayi (Faxon, 1884)
- Species Cambarus hazardi Loughman, Henkanaththegedara, Fetzner & Thoma, 2017
- Species Cambarus hedgpethi Hobbs, 1948 accepted as Creaserinus hedgpethi (Hobbs, 1948)
- Species Cambarus hiwasseensis Hobbs, 1981
- Species Cambarus hobbsorum Cooper, 2001
- Species Cambarus howardi Hobbs & Hall, 1969
- Species Cambarus hubbelli Hobbs, 1940 accepted as Procambarus hubbelli (Hobbs, 1940)
- Species Cambarus hubbsi Creaser, 1931
- Species Cambarus hubrichti Hobbs, 1952
- Species Cambarus hylas Faxon, 1890 accepted as Faxonius hylas (Faxon, 1890)
- Species Cambarus hystricosus Cooper & Cooper, 2003
- Species Cambarus immunis Hagen, 1870 accepted as Faxonius immunis (Hagen, 1870)
- Species Cambarus indianensis Hay, 1896 accepted as Faxonius indianensis (Hay, 1896)
- Species Cambarus intermontanus Thoma & Fetzner, 2023
- Species Cambarus jezerinaci Thoma, 2000
- Species Cambarus johni Cooper, 2006
- Species Cambarus jonesi Hobbs & Barr, 1960
- Species Cambarus Jordani Faxon, 1884 accepted as Cambarus latimanus (Le Conte, 1855)
- Species Cambarus juvenilis Hagen, 1870 accepted as Faxonius juvenilis (Hagen, 1870)
- Species Cambarus kilbyi Hobbs, 1940 accepted as Procambarus kilbyi (Hobbs, 1940)
- Species Cambarus laconensis Buhay & Crandall, 2009
- Species Cambarus lancifer Hagen, 1870 accepted as Faxonius lancifer (Hagen, 1870)
- Species Cambarus lapidosus Perkins, Williams & Russ, 2023
- Species Cambarus latimanus (Le Conte, 1855)
- Species Cambarus LeContei Hagen, 1870 accepted as Procambarus lecontei (Hagen, 1870)
- Species Cambarus lenati Cooper, 2000
- Species Cambarus lentiginosus Jones & Eversole, 2016
- Species Cambarus longidigitus Faxon, 1898 accepted as Faxonius longidigitus (Faxon, 1898)
- Species Cambarus longirostris Faxon, 1885
- Species Cambarus longulus Girard, 1852
- Species Cambarus loughmani Foltz, Sadecky, Fetzner & Thoma in Foltz, Sadecky, Myers, Fetzner, Welsh, Stocker, Glon & Thoma, 2019
- Species Cambarus lucifugus Hobbs, 1940 accepted as Procambarus lucifugus (Hobbs, 1940)
- Species Cambarus ludovicianus Faxon, 1884 accepted as Lacunicambarus ludovicianus (Faxon, 1884)
- Species Cambarus lunzi Hobbs, 1940 accepted as Procambarus lunzi (Hobbs, 1940)
- Species Cambarus macneesei Black, 1967 accepted as Fallicambarus macneesei (Black, 1967)
- Species Cambarus maculatus Hobbs & Pflieger, 1988
- Species Cambarus magerae Thoma & Fetzner, 2015
- Species Cambarus manningi Hobbs, 1981
- Species Cambarus medius Faxon, 1884 accepted as Faxonius medius (Faxon, 1884)
- Species Cambarus meeki Faxon, 1898 accepted as Faxonius meeki meeki (Faxon, 1898)
- Species Cambarus mississippiensis Faxon, 1884 accepted as Faxonius mississippiensis (Faxon, 1884)
- Species Cambarus monongalensis Ortmann, 1905
- Species Cambarus montanus Girard, 1852 accepted as Cambarus bartonii (Fabricius, 1798)
- Species Cambarus montezumae de Saussure, 1857 accepted as Cambarellus (Cambarellus) montezumae (de Saussure, 1857)
- Species Cambarus Nais Faxon, 1885 accepted as Faxonius nais (Faxon, 1885)
- Species Cambarus nebrascensis Girard, 1852 accepted as Lacunicambarus nebrascensis (Girard, 1852)
- Species Cambarus neglectus Faxon, 1885 accepted as Faxonius neglectus neglectus (Faxon, 1885)
- Species Cambarus nerterius Hobbs, 1964
- Species Cambarus nodosus Bouchard & Hobbs, 1976
- Species Cambarus nyx Thoma, Hurt, Williams & Withers, 2023
- Species Cambarus obesus Hagen, 1870 accepted as Lacunicambarus diogenes (Girard, 1852)
- Species Cambarus obeyensis Hobbs & Shoup, 1947
- Species Cambarus obscurus Hagen, 1870 accepted as Faxonius obscurus (Hagen, 1870)
- Species Cambarus obstipus Hall, 1959
- Species Cambarus ocoeensis Thoma & Williams, 2025
- Species Cambarus ortmanni Williamson, 1907
- Species Cambarus oryktes Penn & Marlow, 1959 accepted as Creaserinus oryktes (Penn & Marlow, 1959)
- Species Cambarus pallidus Hobbs, 1940 accepted as Procambarus pallidus (Hobbs, 1940)
- Species Cambarus Palmeri Faxon, 1884 accepted as Faxonius palmeri palmeri (Faxon, 1884)
- Species Cambarus parrishi Hobbs, 1981
- Species Cambarus parvoculus Hobbs & Shoup, 1947
- Species Cambarus pauleyi Loughman, Thoma, Fetzner & Stocker, 2015
- Species Cambarus Pealei Girard, 1852 accepted as Faxonius limosus (Rafinesque, 1817)
- Species Cambarus pecki (Hobbs, 1967)
- Species Cambarus pellucidus (Tellkampf, 1844) accepted as Orconectes pellucidus (Tellkampf, 1844)
- Species Cambarus pictus Hobbs, 1940 accepted as Procambarus pictus (Hobbs, 1940)
- Species Cambarus pilosus Hay, 1899 accepted as Faxonius nais (Faxon, 1885)
- Species Cambarus placidus Hagen, 1870 accepted as Faxonius placidus (Hagen, 1870)
- Species Cambarus polychromatus Thoma, Jezerinac & Simon, 2005 accepted as Lacunicambarus polychromatus (Thoma, Jezerinac & Simon, 2005)
- Species Cambarus polypilosus Loughman & Williams, 2018
- Species Cambarus primaevus Packard, 1880 † accepted as Procambarus primaevus (Packard, 1880) †
- Species Cambarus pristinus Hobbs, 1965
- Species Cambarus prominens Hobbs, 1966 accepted as Hobbseus prominens (Hobbs, 1966)
- Species Cambarus propinquus Girard, 1852 accepted as Faxonius propinquus (Girard, 1852)
- Species Cambarus pubescens Faxon, 1884 accepted as Procambarus pubescens (Faxon, 1884)
- Species Cambarus Putnami Faxon, 1884 accepted as Faxonius putnami (Faxon, 1884)
- Species Cambarus pyronotus Bouchard, 1978
- Species Cambarus rathbunae Hobbs, 1940 accepted as Procambarus rathbunae (Hobbs, 1940)
- Species Cambarus reburrus Prins, 1968
- Species Cambarus reduncus Hobbs, 1956
- Species Cambarus reflexus Hobbs, 1981
- Species Cambarus robustus Girard, 1852
- Species Cambarus rogersi Hobbs, 1938 accepted as Procambarus rogersi rogersi (Hobbs, 1938)
- Species Cambarus rusticiformis Rhoades, 1944
- Species Cambarus rusticus Girard, 1852 accepted as Faxonius rusticus (Girard, 1852)
- Species Cambarus ruthveni Pearse, 1911 accepted as Procambarus ruthveni (Pearse, 1911)
- Species Cambarus Sanbornii Faxon, 1884 accepted as Faxonius sanbornii sanbornii (Faxon, 1884)
- Species Cambarus sciotensis Rhoades, 1944
- Species Cambarus scotti Hobbs, 1981
- Species Cambarus setosus Faxon in Garman, 1889
- Species Cambarus sheltae (Cooper & Cooper, 1997)
- Species Cambarus Shufeldtii Faxon, 1884 accepted as Cambarellus (Pandicambarus) shufeldtii (Faxon, 1884)
- Species Cambarus signifer Herrick, 1882 accepted as Faxonius immunis (Hagen, 1870)
- Species Cambarus simulans Faxon, 1884 accepted as Procambarus simulans (Faxon, 1884)
- Species Cambarus sloanii Bundy in Forbes, 1876 accepted as Faxonius sloanii (Bundy in Forbes, 1876)
- Species Cambarus smilax Loughman, Simon & Welsh, 2011
- Species Cambarus speciosus Hobbs, 1981
- Species Cambarus speleocoopi Buhay & Crandall, 2009
- Species Cambarus sphenoides Hobbs, 1968
- Species Cambarus spicatus Hobbs, 1956
- Species Cambarus spiculifer Le Conte, 1855 accepted as Procambarus spiculifer (Le Conte, 1855)
- Species Cambarus spinosus Bundy, 1877 accepted as Faxonius spinosus (Bundy, 1877)
- Species Cambarus stockeri Thoma, 2011
- Species Cambarus strawni Reimer, 1966 accepted as Fallicambarus strawni (Reimer, 1966)
- Species Cambarus striatus Hay, 1902
- Species Cambarus strigosus Hobbs, 1981
- Species Cambarus stygius Joseph, 1881 accepted as Orconectes pellucidus (Tellkampf, 1844)
- Species Cambarus stygius Bundy in Forbes, 1876 accepted as Procambarus acutus (Girard, 1852)
- Species Cambarus stygius Joseph, 1882 accepted as Orconectes pellucidus (Tellkampf, 1844)
- Species Cambarus subterraneus Hobbs, 1993
- Species Cambarus tartarus Hobbs & Cooper, 1972
- Species Cambarus taylori Loughman, Henkanaththegedara, Fetzner & Thoma, 2017
- Species Cambarus tenebrosus Hay, 1902
- Species Cambarus theepiensis Loughman, Fotz, Garrison & Welsh, 2013
- Species Cambarus thomai Jezerinac, 1993 accepted as Lacunicambarus thomai (Jezerinac, 1993)
- Species Cambarus truncatus Hobbs, 1981
- Species Cambarus tuckasegee Cooper & Schofield, 2002
- Species Cambarus typhlobius Joseph, 1880 accepted as Orconectes pellucidus (Tellkampf, 1844)
- Species Cambarus Uhleri Faxon, 1884 accepted as Creaserinus fodiens (Cottle, 1863)
- Species Cambarus unestami Hobbs & Hall, 1969
- Species Cambarus validus Faxon, 1914 accepted as Faxonius validus (Faxon, 1914)
- Species Cambarus valleculus Fitzpatrick, 1967 accepted as Hobbseus valleculus (Fitzpatrick, 1967)
- Species Cambarus veitchorum Cooper & Cooper, 1997
- Species Cambarus versutus Hagen, 1870 accepted as Procambarus versutus (Hagen, 1870)
- Species Cambarus veteranus Faxon, 1914
- Species Cambarus viae-viridis Faxon, 1914 accepted as Procambarus viaeviridis (Faxon, 1914)
- Species Cambarus virilis Hagen, 1870 accepted as Faxonius virilis (Hagen, 1870)
- Species Cambarus whitmani Steele, 1902 accepted as Faxonius longidigitus (Faxon, 1898)
- Species Cambarus williami Bouchard & Bouchard, 1995
- Species Cambarus wisconsinensis Bundy in Forbes, 1876 accepted as Faxonius virilis (Hagen, 1870)
- Species Cambarus zophonastes Hobbs & Bedinger, 1964
- Genus Creaserinus Hobbs, 1973 (15)
- Genus Distocambarus Hobbs, 1981 (5)
- Genus Fallicambarus Hobbs, 1969 (12)
- Genus Faxonella Creaser, 1933 (4)
- Genus Faxonius Ortmann, 1905 (91)
- Genus Hobbseus Fitzpatrick & Payne, 1968 (7)
- Genus Lacunicambarus Hobbs, 1969 (12)
- Genus Orconectes Cope, 1872 (7)
- Genus Palaeocambarus Taylor, Schram & Shen, 1999 †
- Genus Paracambarus Ortmann, 1906 accepted as Procambarus Ortmann, 1905
- Genus Procambarus Ortmann, 1905 (169)
- Genus Troglocambarus Hobbs, 1942 (1)
- Family Cambaroididae Villalobos, 1955 (6)
- Family Cricoidoscelosidae Taylor, Schram & Shen, 1999 † accepted as Cambaroididae Villalobos, 1955
- Family Euastacidae Riek, 1959 accepted as Parastacidae Huxley, 1879
- Family Potamobiidae Huxley, 1879 accepted as Astacidae Latreille, 1802
- Superfamily Enoplometopoidea de Saint Laurent, 1988 (11)
- Superfamily Nephropoidea Dana, 1852 (59)
- Superfamily Nepropoidea Dana, 1852 accepted as Nephropoidea Dana, 1852
- Superfamily Parastacoidea Huxley, 1879 (218)
- Superfamily Protastacoidea Albrecht, 1983 †
- Superfamily Stenochiroidea Beurlen, 1928 †
- Infraorder Axiidea (600)
- Infraorder Brachyura (7 883)
- 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