- Animals
- ›Arthropods
- ›Crustaceans
- ›Typical Crustaceans
- ›Malacostracans
- ›Decapods, Isopods, and allies
- ›Decapods and Krill
- ›Decapods
- ›Crabs, Lobsters, Shrimps, and Allies
- ›Crayfishes and Lobsters
- ›Northern Hemisphere Crayfishes
- ›Cambarid Crayfishes
Faxonius
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. 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.
60 branches of this genus, most-observed first
Virile Crayfish
speciesFaxonius virilis
Rusty Crayfish
speciesFaxonius rusticus
Northern Clearwater Crayfish
speciesFaxonius propinquus
Spinycheek Crayfish
speciesFaxonius limosus
Calico Crayfish
speciesFaxonius immunis
Ringed Crayfish
speciesFaxonius neglectus
Allegheny Crayfish
speciesFaxonius obscurus
Bigclaw Crayfish
speciesFaxonius placidus
Faxonius palmeri
complexFaxonius palmeri
Golden Crayfish
speciesFaxonius luteus
Rusty × Northern Clearwater Crayfish
hybridFaxonius rusticus × propinquus
Spiny Stream Crayfish
speciesFaxonius cristavarius
Spothanded Crayfish
speciesFaxonius punctimanus
Saddle Crayfish
speciesFaxonius durelli
Slender Crayfish
speciesFaxonius compressus
Ozark Crayfish
speciesFaxonius ozarkae
Longpincered Crayfish
speciesFaxonius longidigitus
Meek's Crayfish
speciesFaxonius meeki
Water Nymph Crayfish
speciesFaxonius nais
Redspotted Stream Crayfish
speciesFaxonius acares
Reticulate Crayfish
speciesFaxonius erichsonianus
Sloan's Crayfish
speciesFaxonius sloanii
Neosho Midget Crayfish
speciesFaxonius macrus
Midget Crayfish
speciesFaxonius nana
Surgeon Crayfish
speciesFaxonius forceps
Mena Crayfish
speciesFaxonius menae
Little River Creek Crayfish
speciesFaxonius leptogonopodus
Faxonius difficilis
complexFaxonius difficilis
Shrimp Crayfish
speciesFaxonius lancifer
Powerful Crayfish
speciesFaxonius validus
Kentucky River Crayfish
speciesFaxonius juvenilis
Williams' Crayfish
speciesFaxonius williamsi
Wonderful Crayfish
speciesFaxonius mirus
Woodland Crayfish
speciesFaxonius hylas
Kisatchie Painted Crayfish
speciesFaxonius maletae
Saddleback Crayfish
speciesFaxonius medius
Teche Painted Crayfish
speciesFaxonius hathawayi
Ets Crayfish
speciesFaxonius etnieri
Complete Crayfish
speciesFaxonius perfectus
Nashville Crayfish
speciesFaxonius shoupi
Chowanoke Crayfish
speciesFaxonius virginiensis
Spinywrist Crayfish
speciesFaxonius yanahlindus
Barren River Crayfish
speciesFaxonius barrenensis
Sanborn's Crayfish
speciesFaxonius sanbornii
Pecan Bayou Crayfish
speciesFaxonius castaneus
Alabama Crayfish
speciesFaxonius alabamensis
North Carolina Spiny Crayfish
speciesFaxonius carolinensis
Coosa River Spiny Crayfish
speciesFaxonius spinosus
Shawnee Crayfish
speciesFaxonius illinoiensis
Belted Crayfish
speciesFaxonius harrisonii
Mammoth Spring Crayfish
speciesFaxonius marchandi
Phallic Crayfish
speciesFaxonius putnami
Fishhook Crayfish
speciesFaxonius rhoadesi
Screaming Eagle Crayfish
speciesFaxonius bellator
Bimaculate Crayfish
speciesFaxonius holti
Louisville Crayfish
speciesFaxonius jeffersoni
Pontchartrain Painted Crayfish
speciesFaxonius hobbsi
Big Creek Crayfish
speciesFaxonius peruncus
Spring River Crayfish
speciesFaxonius roberti
Coldwater Crayfish
speciesFaxonius eupunctus
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Faxonius in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 776033.