Anaxyrus baxteri

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Anaxyrus baxteri


Taxonavigation: Anura 

Superregnum: Eukaryota
Regnum: Animalia
Phylum: Chordata
Cladus: Chordata Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Amphibia
Subclassis: Lissamphibia
Ordo: Anura

Familia: Bufonidae
Genus: Anaxyrus
Species: Anaxyrus baxteri


Anaxyrus baxteri (Porter, 1968)

Type locality: "0.5 mile NW Laramie, Albany County, Wyoming".

Holotype: K.R. Porter Collection 5-164, current location unknown.


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 hemiophrys baxteri Porter, 1968
  • Bufo baxteriPackard, 1971


  • Porter, 1968, Evolution, 22: 593.
  • 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. 2014. Amphibian Species of the World: an Online Reference. Version 6.0. Electronic Database accessible at [1]. American Museum of Natural History, New York, USA. Anaxyrus baxteri . Accessed on 26 Mar 2008.
  • World Conservation Monitoring Centre IUCN: Anaxyrus baxteri (Extinct in the Wild)

Vernacular names[edit]

English: Wyoming Toad; Baxter's Toad