Anaxyrus speciosus

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Anaxyrus speciosus


Taxonavigation: Anura 

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Amphibia
Subclassis: Lissamphibia
Ordo: Anura

Familia: Bufonidae
Genus: Anaxyrus
Species: Anaxyrus speciosus


Anaxyrus speciosus (Girard, 1854)

Type locality: "Brownsville, Cameron County", Texas, USA.

Holotype: Syntypes - USNM 2608, 2610, 2611 and 131559.


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 speciosus Girard, 1854
  • Bufo spectabilisPeters, 1874
  • Bufo lentiginosus speciosusGarman, 1884
  • Bufo compactilis speciosusCope, 1889
  • Bufo pliocompactilis Wilson, 1968


  • Girard, 1854, Proc. Acad. Nat. Sci. Philadelphia, 7: 86v.
  • 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. 2018. Amphibian Species of the World: an Online Reference. Version 6.0. Electronic Database accessible at American Museum of Natural History, New York, USA. Anaxyrus speciosus . Accessed on 26 Mar 2008.
  • World Conservation Monitoring Centre IUCN: Anaxyrus speciosus  (Least Concern)

Vernacular names[edit]

English: Texas Toad, Northern Sonora Toad