Cambarus is a large and diverse genus of crayfish from the United States and Canada. The adults range in size from about 5 cm (2.0 in) up to approximately 15 cm (5.9 in).
Astacidea is an infraorder of decapod crustaceans including lobsters, crayfish, and their close relatives.
The Parastacidae are the family of freshwater crayfish found in the Southern Hemisphere. The family is a classic Gondwana-distributed taxon, with extant members in South America, Madagascar, Australia, New Zealand, and New Guinea, and extinct taxa also in Antarctica.
Astacoides is a genus of freshwater crayfish endemic to Madagascar. The first specimens were brought to Europe in 1839, and seven species are now recognised, most of which are considered as threatened on the IUCN Red List. They are large and slow-growing, and are threatened by habitat loss, overexploitation by local people and by spread of introduced non-indigenous marbled crayfish. They are only found in a relatively small part of the island, mostly in undisturbed upland areas. They belong to the Gondwana-distributed family Parastacidae, but their nearest relatives live in Australasia, there being no native crayfish in mainland Africa or India.
Cambarus chaugaensis, the Chauga crayfish or Chauga River crayfish is a species of crayfish in the family Cambaridae. It is endemic to the Carolinas in the United States of America. The common and scientific names refer to the Chauga River of South Carolina, where the first specimens were collected.
Cambarus coosawattae, the Coosawattae crayfish, is a species of crayfish in the family Cambaridae. It is endemic to Georgia. The common name refers to the Coosawattee River, with the original specimens being collected in the Cartecay River which combines with another river to form the Coosawattee.
Cambarus howardi, the Chattahoochee crayfish, is a species of crayfish in the family Cambaridae. It is found in North America. The common name refers to the Chattahoochee River, where the first specimens were collected.
Lacunicambarus miltus, the rusty gravedigger, is a species of crayfish in the family Cambaridae. It is found in the southeastern United States.
Cambarus scotti, the Chattooga River Crayfish, is a species of crayfish in the family Cambaridae. It is endemic to Alabama and Georgia. The common name refers to the Chattooga River. The original specimens were collected from Clarks Creek in Chattooga County.
Cherax nucifraga is a species of crayfish in the family Parastacidae. It is known only from the type locality – Palm Springs, near Channel Point, Northern Territory, Australia – where the holotype was collected from the stomach of a barramundi. It is listed as data deficient on the IUCN Red List.
Distocambarus youngineri, the Newberry burrowing crayfish, is a species of crayfish in the family Cambaridae. It is endemic to South Carolina. The common name refers to Newberry county, where the original specimens were found.
Fallicambarus harpi, the Ouachita burrowing crayfish, is a species of crayfish in the family Cambaridae. It is known only in southwest Arkansas. The species is a primary burrower, located in low lying seepage areas in pastures, yards and lawns.
Fallicambarus is a genus of crayfish in the family Cambaridae from the United States and Canada. It includes 12 species, of which one is on the IUCN Red List as a vulnerable species (VU) and one as an endangered species (EN). The species of this genus are all restricted to three states or fewer, from Texas and Oklahoma east to Florida.
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 changed from Orconectes to Faxonius. It is native to eastern United States and southeast Canada.
Rudolphia is a genus of amphipods in the family Paraleptamphopidae found in Chile.
Faxonius erichsonianus is a species in the family Cambaridae ("crayfishes"), in the order Decapoda. A common name for Faxonius erichsonianus is Reticulate Crayfish. Faxonius erichsonianus is found in the south eastern United States of America.
Creaserinus is a genus of Digger Crayfish in the family Cambaridae. There are about 15 described species in Creaserinus, found in North America.
Samastacus is a genus of southern crawfish in the family Parastacidae. It has a single species, Samastacus spinifrons.
Geocharax is a genus of southern crayfish in the family Parastacidae. There are two described species in Geocharax, both found in Australia.
Parastacus is a genus of southern crawfish in the family Parastacidae. There are about 15 described species in Parastacus, found in South America. In addition, there are some preserved specimens from Australia that are possibly members of this genus.
