| Faxonius quadruncus | |
|---|---|
| Conservation status | |
 Vulnerable (IUCN 3.1) | |
 Critically Imperiled (NatureServe) | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Family: | Cambaridae |
| Genus: | Faxonius |
| Species: | F. quadruncus |
| Binomial name | |
| Faxonius quadruncus (Creaser, 1933) | |
| Synonyms | |
|
Orconectes 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 where the first examples were found.
References
- ^ DiStefano, R.; Schuster, G.A.; Taylor, C.A. & Cordeiro, J. (2010). "Orconectes quadruncus". IUCN Red List of Threatened Species. 2010: e.T15437A4585126. doi:10.2305/IUCN.UK.2010-3.RLTS.T15437A4585126.en. Retrieved 16 October 2022.
- ^ "Faxonius quadruncus". NatureServe Explorer An online encyclopedia of life. 7.1. NatureServe. Retrieved 16 October 2022.
- Crandall, Keith A; De Grave, Sammy (2017). "An updated classification of the freshwater crayfishes (Decapoda: Astacidea) of the world, with a complete species list". Journal of Crustacean Biology. 37 (5): 615–653. doi:10.1093/jcbiol/rux070.
| Taxon identifiers | |
|---|---|
| Faxonius quadruncus | |
| Orconectes quadruncus | |
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