| Nominal Species (n = 145) | Present allocation (n = 139) | Ref. |
|---|---|---|
| Cambarus aculabrum Hobbs & Brown, 1987 | Cambarus aculabrum | 19 |
| Cambarus acutus Girard, 1852 | Procambarus acutus | 3477 |
| Procambarus apalachicolae Hobbs, 1942 | Procambarus apalachicolae | 19 |
| Hobbseus attenuatus Black, 1969 | Hobbseus attenuatus | 19 |
| Procambarus attiguus Hobbs, Jr. & Franz, 1992 | Procambarus attiguus | 19 |
| Procambarus barbiger Fitzpatrick, 1978 | Procambarus barbiger | 19 |
| Orconectes barrenensis Rhoades, 1944 | Orconectes barrenensis | 19 |
| Cambarus batchi Schuster, 1973 | Cambarus batchi | 19 |
| Orconectes bisectus Rhoades, 1944 | Orconectes bisectus | 19 |
| Procambarus bivittatus Hobbs, 1942 | Procambarus bivittatus | 19 |
| Cambarellus blacki Hobbs, 1980 | Cambarellus blacki | 19 |
| Orconectes blacki Walls, 1972 | Orconectes blacki | 19 |
| Cambarus bouchardi Hobbs, 1970 | Cambarus bouchardi | 19 |
| Procambarus braswelli Cooper, 1998 | Procambarus braswelli | 19 |
| Procambarus brazoriensis Albaugh, 1975 | Procambarus brazoriensis | 19 |
| Cambarus buntingi Bouchard, 1973 | Cambarus buntingi | 19 |
| Orconectes burri Taylor & Sabaj, 1998 | Orconectes burri | 19 |
| Fallicambarus burrisi Fitzpatrick, 1987 | Fallicambarus burrisi | 19 |
| Cambarus carinirostris Hay, 1914 | Cambarus carinirostris | 19 |
| Distocambarus carlsoni Hobbs, 1983 | Distocambarus carlsoni | 19 |
| Orconectes carolinensis Cooper & Cooper, 1995 | Orconectes carolinensis | 19 |
| Cambarus catagius Hobbs & Perkins, 1967 | Cambarus catagius | 19 |
| Cambarus chasmodactylus James, 1966 | Cambarus chasmodactylus | 19 |
| Cambarus chaugaensis Prins & Hobbs, 1972 | Cambarus chaugaensis | 19 |
| Procambarus cometes Fitzpatrick, 1978 | Procambarus cometes | 19 |
| Procambarus connus Fitzpatrick, 1978 | Procambarus connus | 19 |
| Procambarus conus Fitzpatrick, 1978 | Procambarus connus | 75097 |
| Orconectes cooperi Cooper & Hobbs, 1980 | Orconectes cooperi | 19 |
| Cambarus coosawattae Hobbs, 1981 | Cambarus coosawattae | 19 |
| Orconectes cristavarius Taylor, 2000 | Orconectes cristavarius | 19 |
| Cambarus cryptodytes Hobbs, 1941 | Cambarus cryptodytes | 19 |
| Cambarus cumberlandensis Hobbs & Bouchard, 1973 | Cambarus cumberlandensis | 19 |
| Fallicambarus danielae Hobbs, 1975 | Fallicambarus danielae | 19 |
| Cambarus davidi Cooper, 2000 | Cambarus davidi | 19 |
| Orconectes deanae Reimer & Jester, 1975 | Orconectes deanae | 19 |
| Procambarus delicatus Hobbs & Franz, 1986 | Procambarus delicatus | 19 |
| Fallicambarus devastator Hobbs & Whiteman, 1987 | Fallicambarus devastator | 19 |
| Cambarus deweesae Bouchard & Etnier, 1979 | Cambarus deweesae | 19 |
| Cambarellus diminutus Hobbs, 1945 | Cambarellus diminutus | 19 |
| Cambarus diogenes Girard, 1852 | Cambarus diogenes | 19 |
| Cambarus distans Rhoades, 1944 | Cambarus distans | 19 |
| Cambarus dubius Faxon, 1884 | Cambarus dubius | 19 |
| Orconectes durelli Bouchard & Bouchard, 1995 | Orconectes durelli | 19 |
| Procambarus econfinae Hobbs, 1942 | Procambarus econfinae | 19 |
| Cambarus elkensis Jezerinac & Stocker, 1993 | Cambarus elkensis | 19 |
| Procambarus erythrops Relyea & Sutton, 1975 | Procambarus erythrops | 19 |
| Procambarus escambiensis Hobbs, 1942 | Procambarus escambiensis | 19 |
| Orconectes eupunctus Williams, 1952 | Orconectes eupunctus | 19 |
| Cambarus extraneus Hagen, 1870 | Cambarus extraneus | 19 |
| Cambarus fasciatus Hobbs, 1981 | Cambarus fasciatus | 19 |
| Procambarus ferrugineus Hobbs & Robison, 1988 | Procambarus ferrugineus | 19 |
| Procambarus fitzpatricki Hobbs, 1971 | Procambarus fitzpatricki | 19 |
| Procambarus franzi Hobbs & Lee, 1976 | Procambarus franzi | 19 |
| Cambarus friaufi Hobbs, 1953 | Cambarus friaufi | 19 |
| Cambarus georgiae Hobbs, 1981 | Cambarus georgiae | 19 |
| Fallicambarus gilpini Hobbs, Jr. & Robison, 1989 | Fallicambarus gilpini | 19 |
| Fallicambarus gordoni Fitzpatrick, 1987 | Fallicambarus gordoni | 19 |
| Cambarus graysoni Faxon, 1914 | Cambarus graysoni | 19 |
| Fallicambarus harpi Hobbs & Robison, 1985 | Fallicambarus harpi | 19 |
| Cambarus harti Hobbs, 1981 | Cambarus harti | 19 |
| Cambarus hiwasseensis Hobbs, 1981 | Cambarus hiwasseensis | 19 |
| Cambarus hobbsorum Cooper, 2001 | Cambarus hobbsorum | 19 |
| Procambarus horsti Hobbs & Means, 1972 | Procambarus horsti | 19 |
| Fallicambarus hortoni Hobbs & Fitzpatrick, 1970 | Fallicambarus hortoni | 19 |
| Cambarus howardi Hobbs & Hall, 1969 | Cambarus howardi | 19 |
| Cambarus hubrichti Hobbs, 1952 | Cambarus hubrichti | 19 |
| Orconectes incomptus Hobbs & Barr, 1972 | Orconectes incomptus | 19 |
| Orconectes iowaensis Fitzpatrick, 1968 | Orconectes propinquus | 75097 |
| Procambarus jaculus Hobbs & Walton, 1957 | Procambarus jaculus | 19 |
| Orconectes jeffersoni Rhoades, 1944 | Orconectes jeffersoni | 19 |
| Cambarus jonesi Hobbs & Barr, 1960 | Cambarus jonesi | 19 |
| Orconectes jonesi Fitzpatrick, 1992 | Orconectes jonesi | 19 |
| Orconectes kentuckiensis Rhoades, 1944 | Orconectes kentuckiensis | 19 |
| Cambarus laevis Faxon, 1914 | Cambarus tenebrosus | 75097 |
| Procambarus lagniappe Black, 1968 | Procambarus lagniappe | 19 |
| Procambarus leitheuseri Franz & Hobbs, 1983 | Procambarus leitheuseri | 19 |
| Cambarus lenati Cooper, 2000 | Cambarus lenati | 19 |
| Procambarus lepidodactylus Hobbs, 1947 | Procambarus lepidodactylus | 19 |
| Procambarus leptodactylus Hobbs, 1947 | Procambarus lepidodactylus | 75097 |
| Procambarus liberorum Fitzpatrick, 1978 | Procambarus liberorum | 19 |
| Cambarus ludovicianus Faxon, 1884 | Cambarus ludovicianus | 19 |
| Procambarus lyeli Fitzpatrick & Hobbs, 1971 | Procambarus lylei | 75097 |
| Procambarus lylei Fitzpatrick & Hobbs, 1971 | Procambarus lylei | 19 |
| Troglocambarus maclanei Hobbs, 1942 | Troglocambarus maclanei | 19 |
| Orconectes macrus Williams, 1952 | Orconectes macrus | 19 |
| Cambarus maculatus Hobbs & Pflieger, 1988 | Cambarus maculatus | 19 |
| Orconectes marchandi Hobbs, 1948 | Orconectes marchandi | 19 |
| Procambarus milleri Hobbs, 1971 | Procambarus milleri | 19 |
| Cambarus miltus Fitzpatrick, 1978 | Cambarus miltus | 19 |
| Cambarellus moi Pedraza-Lara, Ortiz-Herrera & Jones, 2021 | Cambarellus moi | 3477 |
| Procambarus morrisi Hobbs, Jr. & Franz, 1991 | Procambarus morrisi | 19 |
| Procambarus nechesae Hobbs, Jr., 1990 | Procambarus nechesae | 19 |
| Cambarus nerterius Hobbs, 1964 | Cambarus nerterius | 19 |
| Procambarus nigrocinctus Hobbs, Jr., 1990 | Procambarus nigrocinctus | 19 |
| Procambarus nueces Hobbs, Jr. & Hobbs III, 1995 | Procambarus nueces | 19 |
| Cambarus obeyensis Hobbs & Shoup, 1947 | Cambarus obeyensis | 19 |
| Procambarus orcinus Hobbs & Means, 1972 | Procambarus orcinus | 19 |
| Hobbseus orconectoides Fitzpatrick & Payne, 1968 | Hobbseus orconectoides | 19 |
| Cambarus ortmanni Williamson, 1907 | Cambarus ortmanni | 19 |
| Orconectes ozarkae Williams, 1952 | Orconectes ozarkae | 19 |
| Cambarus parrishi Hobbs, 1981 | Cambarus parrishi | 19 |
| Cambarus parvoculus Hobbs & Shoup, 1947 | Cambarus parvoculus | 19 |
| Procambarus pecki Hobbs, 1967 | Procambarus pecki | 19 |
| Procambarus penni Hobbs, 1951 | Procambarus penni | 19 |
| Fallicambarus petilicarpus Hobbs, Jr. & Robison, 1989 | Fallicambarus petilicarpus | 19 |
| Hobbseus petilus Fitzpatrick, 1977 | Hobbseus petilus | 19 |
| Procambarus pogon Fitzpatrick, 1978 | Procambarus pogum | 75097 |
| Procambarus pogum Fitzpatrick, 1978 | Procambarus pogum | 19 |
| Cambarus pristinus Hobbs, 1965 | Cambarus pristinus | 19 |
| Cambarellus puer Hobbs, 1945 | Cambarellus puer | 19 |
| Procambarus pygmaeus Hobbs, 1942 | Procambarus pygmaeus | 19 |
| Cambarus pyronotus Bouchard, 1978 | Cambarus pyronotus | 19 |
| Orconectes rafinesquei Rhoades, 1944 | Orconectes rafinesquei | 19 |
| Cambarus reburrus Prins, 1968 | Cambarus reburrus | 19 |
| Cambarus robustus Girard, 1852 | Cambarus robustus | 19 |
| Orconectes ronaldi Taylor, 2000 | Orconectes ronaldi | 19 |
| Cambarus rusticiformis Rhoades, 1944 | Cambarus rusticiformis | 19 |
| Orconectes saxatilis Bouchard & Bouchard, 1976 | Orconectes saxatilis | 19 |
| Cambarus sciotensis Rhoades, 1944 | Cambarus sciotensis | 19 |
| Cambarus scotti Hobbs, 1981 | Cambarus scotti | 19 |
| Procambarus seminolae Hobbs, 1942 | Procambarus seminolae | 19 |
| Cambarus setosus Faxon, 1889 | Cambarus setosus | 19 |
| Orconectes sheltae Cooper & Cooper, 1997 | Orconectes sheltae | 19 |
| Orconectes shoupi Hobbs, 1948 | Orconectes shoupi | 19 |
| Orconectes stannardi Page, 1985 | Orconectes stannardi | 19 |
| Procambarus steigmani Hobbs, Jr., 1991 | Procambarus steigmani | 19 |
| Cambarus striatus Hay, 1902 | Cambarus striatus | 19 |
| Cambarus stygius Bundy in Forbes, 1876 | Procambarus acutus | 3477 |
| Orconectes stygocaneyi Hobbs III, 2001 | Orconectes stygocaneyi | 19 |
| Cambarus subterraneus Hobbs III, 1993 | Cambarus subterraneus | 19 |
| Cambarus tartarus Hobbs & Cooper, 1972 | Cambarus tartarus | 19 |
| Cambarus tenebrosus Hay, 1902 | Cambarus tenebrosus | 19 |
| Procambarus texanus Hobbs, 1971 | Procambarus texanus | 19 |
| Cambarus thomai Jezerinac, 1993 | Cambarus thomai | 19 |
| Orconectes tricuspis Rhoades, 1944 | Orconectes tricuspis | 19 |
| Cambarus truncatus Hobbs, 1981 | Cambarus truncatus | 19 |
| Cambarus veitchorum Cooper & Cooper, 1997 | Cambarus veitchorum | 19 |
| Cambarus veteranus Faxon, 1914 | Cambarus veteranus | 19 |
| Orconectes virginiensis Hobbs, 1951 | Orconectes virginiensis | 19 |
| Cambarus williami Bouchard & Bouchard, 1995 | Cambarus williami | 19 |
| Orconectes williamsi Fitzpatrick, 1966 | Orconectes williamsi | 19 |
| Orconectes wrighti Hobbs, 1948 | Orconectes wrighti | 19 |
| Hobbseus yalobushensis Fitzpatrick & Busack, 1989 | Hobbseus yalobushensis | 19 |
| Procambarus youngi Hobbs, 1942 | Procambarus youngi | 19 |
| Cambarus zophonastes Hobbs & Bedinger, 1964 | Cambarus zophonastes | 19 |