''Faxonius'' is a genus of

freshwater crayfish Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as crawfish, craydids, crawdaddies, crawdads, freshwater lobsters, mountain lobsters, rock lobsters, mu ...

in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the

rusty crayfish The rusty crayfish (''Faxonius rusticus'') is a large, aggressive species of freshwater crayfish which is native to the United States, in the Ohio River Basin in parts of Ohio, Kentucky, and Indiana. Its range is rapidly expanding across much of ...

, an

invasive species An invasive species otherwise known as an alien is an introduced organism that becomes overpopulated and harms its new environment. Although most introduced species are neutral or beneficial with respect to other species, invasive species ad ...

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

, and three species, ''F. virilis'', ''F. immunis'', and ''F. limosus'', that are invasive to Europe. This genus was formerly considered a subgenus of '' Orconectes''. Several former ''Orconectes'' species were added to this genus in 2017, leaving only the cave dwelling species unchanged, however ''F. stygocanei'' was reallocated, even though it lives in caves.

Species

These species belong to the genus ''Faxonius'': * ''

Faxonius acares ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Fitzpatrick, 1965) * ''

Faxonius alabamensis ''Faxonius alabamensis'', the Alabama crayfish, is a species of freshwater crayfish that lives in Alabama, Mississippi and Tennessee. Description The largest individuals of ''Faxonius alabamensis'' reach a carapace A carapace is a Dorsum ...

'' ( Faxon, 1884) * ''

Faxonius alluvius ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Simon & McMurray, 2014) * '' Faxonius barrenensis'' (Rhoades, 1944) * ''

Faxonius bellator ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immun ...

'' (Bloom, McCall, Schuster & Blanton, 2019) * ''

Faxonius bisectus ''Faxonius bisectus'', the Crittenden Crayfish is a species of crayfish Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as crawfish, craydids, craw ...

'' (Rhoades, 1944) * ''

Faxonius burri ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Taylor & Sabaj, 1998) * '' Faxonius carolinensis'' (Cooper & Cooper, 1995) * '' Faxonius castaneus'' (Johnson, 2010) * '' Faxonius causeyi'' (Jester, 1967) * '' Faxonius chickasawae'' (Cooper & Hobbs, 1980) * '' Faxonius compressus'' ( Faxon, 1884) * '' Faxonius cooperi'' (Cooper & Hobbs, 1980) * '' Faxonius cristavarius'' (Taylor, 2000) * '' Faxonius cyanodigitus'' (Johnson, 2010) * '' Faxonius deanae'' (Reimer & Jester, 1975) * '' Faxonius difficilis'' ( Faxon, 1898) * '' Faxonius durelli'' (Bouchard & Bouchard, 1995) * '' Faxonius elix'' (Couch & Hayes, 2022) * '' Faxonius erichsonianus'' ( Faxon, 1898) * '' Faxonius etnieri'' (Bouchard & Bouchard, 1976) * ''

Faxonius eupunctus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Williams, 1952) * ''

Faxonius forceps ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Faxon, 1884) * ''

Faxonius harrisonii ''Faxonius'' is a genus of crayfish, freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ...

'' ( Faxon, 1884) * ''

Faxonius hartfieldi ''Faxonius hartfieldi'' (previously known as ''Orconectes hartfieldi'') is a species of crayfish Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as ...

'' ( Fitzpatrick & Suttkus, 1992) * ''

Faxonius hathawayi ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ** ''

Faxonius hathawayi blacki ''Faxonius hathawayi blacki'', the Calcasieu crayfish, is a sub-species of crayfish in the family Cambaridae. It is endemic to Louisiana. The common name In biology, a common name of a taxon or organism (also known as a vernacular name, Eng ...

'' (Walls, 1972) ** ''

Faxonius hathawayi hathawayi ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Penn, 1952) * ''

Faxonius hobbsi ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Penn, 1950) * ''

Faxonius holti ''Faxonius holti'', the bimaculate crayfish, is a species of crayfish Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as crawfish, craydids, crawdadd ...

'' (Cooper & Hobbs, 1980) * ''

Faxonius hylas ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Faxon, 1890) * '' Faxonius illinoiensis'' (Brown, 1956) * '' Faxonius immunis'' (Hagen, 1870) * '' Faxonius indianensis'' (Hay, 1896) * '' Faxonius jeffersoni'' (Rhoades, 1944) * ''

Faxonius jonesi ''Faxonius jonesi'', the Sucarnoochee River Crayfish, is a species of crayfish in the family Cambaridae. The common name refers to the Sucarnoochee River The Sucarnoochee River is a river in Kemper County, Mississippi, Kemper County, Mississipp ...

'' ( Fitzpatrick, 1992) * ''

Faxonius juvenilis ''Faxonius'' is a genus of crayfish, freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ...

'' (Hagen, 1870) * ''

Faxonius kentuckiensis ''Faxonius kentuckiensis'', the Kentucky crayfish, is a species of crayfish Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as crawfish, craydids, cr ...

'' (Rhoades, 1944) * '' Faxonius lancifer'' (Hagen, 1870) * ''

Faxonius leptogonopodus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Hobbs, 1948) * '' Faxonius limosus'' (Rafinesque, 1817) * ''

Faxonius longidigitus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Faxon, 1898) * ''

Faxonius luteus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Creaser, 1933) * ''

Faxonius macrus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Williams, 1952) * ''

Faxonius maletae ''Faxonius maletae'', sometimes called the Kisatchie painted crayfish or Kisatchie painted crawfish, is a species of crawdad in the Cambaridae family. The specific epithet ''maletae'' is in honor of the discoverer's wife, author Maleta M. Walls ...

'' (Walls, 1972) * '' Faxonius marchandi'' ( Hobbs, 1948) * ''

Faxonius margorectus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Taylor, 2002) * ''

Faxonius medius ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Faxon, 1884) * '' Faxonius meeki'' ** ''

Faxonius meeki brevis ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Williams, 1952) ** ''

Faxonius meeki meeki ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Faxon, 1898) * ''

Faxonius menae ''Faxonius menae'', the Mena crayfish, is a species of crayfish in the family Cambaridae. It is Endemism, endemic to the United States. The specific epithet and common name both refer to Mena, Arkansas, where the original specimens were found. R ...

'' (Creaser, 1933) * '' Faxonius mirus'' (Ortmann, 1931) * ''

Faxonius mississippiensis ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Faxon, 1884) * ''

Faxonius nais ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Faxon, 1885) * ''

Faxonius nana ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Williams, 1952) * ''

Faxonius neglectus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ** '' Faxonius neglectus chaenodactylus'' (Williams, 1952) ** '' Faxonius neglectus neglectus'' ( Faxon, 1885) * '' Faxonius obscurus'' (Hagen, 1870) * ''

Faxonius occidentalis ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Johnson, 2010) * ''

Faxonius ozarkae ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Williams, 1952) * ''

Faxonius pagei ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Taylor & Sabaj, 1997) * ''

Faxonius palmeri ''Faxonius'' is a genus of crayfish, freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ...

'' ** '' Faxonius palmeri creolanus'' (Creaser, 1933) ** ''

Faxonius palmeri longimanus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Faxon, 1898) ** ''

Faxonius palmeri palmeri ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Faxon, 1884) * ''

Faxonius pardalotus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Wetzel, Poly & Fetzner, 2005) * ''

Faxonius perfectus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Walls, 1972) * ''

Faxonius peruncus ''Faxonius peruncus'', the Big Creek crayfish, is a species of crayfish in the family Cambaridae. It is endemic to Missouri. The common name refers to Big Creek, where the original specimens were found. Distribution ''F. peruncus'' is limi ...

'' (Creaser, 1931) * ''

Faxonius placidus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Hagen, 1870) * '' Faxonius propinquus'' (Girard, 1852) * ''

Faxonius punctimanus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Creaser, 1933) * '' Faxonius putnami'' ( Faxon, 1884) * ''

Faxonius quadruncus ''Faxonius quadruncus'', the St. Francis River crayfish, is a species of crayfish in the family Cambaridae. It is endemic to Missouri. The common name refers to the St. Francis River The St. Francis River is a tributary of the Mississippi Ri ...

'' (Creaser, 1933) * ''

Faxonius quinebaugensis ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Mathews & Warren, 2008) * ''

Faxonius rafinesquei ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Rhoades, 1944) * ''

Faxonius raymondi ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Thoma & Stocker, 2009) * '' Faxonius rhoadesi'' ( Hobbs, 1949) * ''

Faxonius ronaldi ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Taylor, 2000) * ''

Faxonius roberti ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Fetzner & Taylor, 2018) * ''

Faxonius rusticus The rusty crayfish (''Faxonius rusticus'') is a large, aggressive species of freshwater crayfish which is native to the United States, in the Ohio River Basin in parts of Ohio, Kentucky, and Indiana. Its range is rapidly expanding across much of ...

'' (Girard, 1852) * ''

Faxonius sanbornii ''Faxonius sanbornii'', the Sanborn or Sanborn's crayfish, is a species of crayfish native to Ohio and other areas in the midwest. It has been greatly affected by the invasive Rusty crayfish in many river habitats in Ohio and West Virginia, how ...

'' ** ''

Faxonius sanbornii erismophorous ''Faxonius sanbornii erismophorous'' is a sub-species of crayfish Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as crawfish, craydids, crawdaddies ...

'' ( Hobbs & Fitzpatrick, 1962) ** ''

Faxonius sanbornii sanbornii ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Faxon, 1884) * ''

Faxonius saxatilis ''Faxonius saxatilis'' is a species of crayfish in the family Cambaridae. It is endemic to tributaries of the Kiamichi River, Le Flore County, Oklahoma. Its common name In biology, a common name of a taxon or organism (also known as a vern ...

'' (Bouchard & Bouchard, 1976) * ''

Faxonius shoupi The Nashville crayfish, ''Faxonius shoupi'', is a freshwater crustacean native to the Mill Creek Basin in Nashville, Tennessee. Prior to August 2017, the species was called ''Orconectes shoupi''. ''Faxonius shoupi'' is protected under the Endang ...

'' ( Hobbs, 1948) * ''

Faxonius sloanii ''Faxonius sloanii'', the Sloan or Sloan's crayfish is a species of crayfish in the family Cambaridae, native to Indiana and Ohio. It is associated with freshwater habitats. Although it is being slowly out-competed by the rusty crayfish Th ...

'' (Bundy in Forbes, 1876) * ''

Faxonius spinosus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Bundy, 1877) * ''

Faxonius stannardi ''Faxonius stannardi'', the Little Wabash Crayfish, is a species of crayfish in the family Cambaridae. It is endemic to Illinois. The common name In biology, a common name of a taxon or organism (also known as a vernacular name, English name ...

'' (Page, 1985) * ''

Faxonius stygocanei ''Faxonius stygocaneyi'', the Caney Mountain cave crayfish, is a small, freshwater crayfish Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as crawf ...

'' (Hobbs III, 2001) * ''

Faxonius taylori ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Schuster, 2008) * '' Faxonius texanus'' (Johnson, 2010) * '' Faxonius theaphionensis'' (Simon, Timm & Morris, 2005) * ''

Faxonius transfuga ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Fitzpatrick, 1966) * ''

Faxonius tricuspis ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Rhoades, 1944) * ''

Faxonius validus ''Faxonius validus'', the powerful crayfish, is a species of crayfish Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as crawfish, craydids, crawdad ...

'' ( Faxon, 1914) * ''

Faxonius virginiensis ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Hobbs, 1951) * ''

Faxonius virilis ''Faxonius virilis'' is a species of crayfish known as the virile crayfish, northern crayfish, eastern crayfish, and lesser known as the lake crayfish or common crawfish. ''Faxonius virilis'' was reclassified in August 2017, and the genus was chan ...

'' (Hagen, 1870) * ''

Faxonius wagneri ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Fetzner & Taylor, 2018) * ''

Faxonius williamsi ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' ( Fitzpatrick, 1966) * ''

Faxonius wrighti ''Faxonius wrighti'', the Hardin crayfish, is a species of crayfish in the family Cambaridae. It is endemic to the United States. The common name In biology, a common name of a taxon or organism (also known as a vernacular name, English na ...

'' ( Hobbs, 1948) * ''

Faxonius yanahlindus ''Faxonius'' is a genus of freshwater crayfish in the family Cambaridae. There are more than 90 described species in ''Faxonius''. It includes the rusty crayfish, an invasive species in North America, and three species, ''F. virilis'', ''F. immu ...

'' (Taylor, Rhoden & Schuster, 2016)

References

External links

* {{Taxonbar, from=Q32374670 Cambaridae Taxa named by Arnold Edward Ortmann

Species

See also

References

Further reading

External links