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Bufo cognatus

Bufo cognatus (Anaxyrus cognatus)

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Amphibia
Subclassis: Lissamphibia
Ordo: Anura
Subordo: Neobatrachia
Familia: Bufonidae
Genus: Anaxyrus
Species: Anaxyrus cognatus


Anaxyrus cognatus (Say in James, 1823)

Type locality: "3 miles west of Holly, Prowers County", Colorado, USA.

Holotype: Originally in "Philadelphia Museum".


The recognition of Anaxyrus as a genus distinct from Bufo is highly controversial, and has not been accepted by many herpetologists working with this group. For a complete phylogeny of the species in this group and their relationships as a subgroup within Bufo, see Pauly et al. (2004).


* Bufo cognatus Say in James, 1823
* Chilophryne cognata — Cope, 1862
* Bufo lentiginosus cognatus — Cope, 1875
* Bufo dipternus Cope, 1879
* Bufo cognatus cognatus — Camp, 1915


* Say in James, 1823, Account Exped. Pittsburgh--Rocky Mts., 3: 55 (Philadelphia edition), 336 (London edition).
* Pauly, G. B., D. M. Hillis, and D. C, Cannatella. (2004) The history of a Nearctic colonization: Molecular phylogenetics and biogeography of the Nearctic toads (Bufo). Evolution 58: 2517–2535.
* Frost, Darrel R. 2007. Amphibian Species of the World: an Online Reference. Version 5.1 (10 October, 2007). Electronic Database accessible at [1] American Museum of Natural History, New York, USA. Anaxyrus cognatus . Accessed on 26 Mar 2008.
* World Conservation Monitoring Centre IUCN link: Anaxyrus cognatus (Least Concern)

Vernacular names
English: Great Plains Toad
Retrieved from "http://species.wikimedia.org/wiki/Anaxyrus_cognatus"
Category: IUCN Least Concern species

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Source: Wikispecies: All text is available under the terms of the GNU Free Documentation License