Incilius alvarius

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Incilius alvarius


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: Incilius
Species: Incilius alvarius


Incilius alvarius Girard in Baird, 1859

Type locality: "[old] Fort Yuma, Imperial County, California (on the north bank of the Colorado River, opposite its junction with the Gila River", USA.

Syntypes: USNM 2571-72, USNM 2572.


  • Bufo alvarius Girard in Baird, 1859
  • Phrynoidis alvariusCope, 1862
  • Cranopsis alvariaFrost (et al.), 2006
  • Incilius alvariusFrost, 2008


  • Girard in Baird, 1859, Rep. U.S-Mex. Bound. Surv., 2(Pt. 2-Rept.): 26.
  • 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, 2008, Amph. Spec. World Online, vers. 5.2.
  • 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. Incilius alvarius . Accessed on 03 Apr 2008.
  • World Conservation Monitoring Centre IUCN: Incilius alvarius  (Least Concern) (as Bufo alvarius)

Vernacular names[edit]

English: Colorado River Toad Sonoran Desert Toad