Anaxyrus kelloggi (Taylor, 1938)

Class: Amphibia > Order: Anura > Family: Bufonidae > Genus: Anaxyrus > Species: Anaxyrus kelloggi

Bufo kelloggi Taylor, 1938 "1936", Univ. Kansas Sci. Bull., 24: 510. Holotype: EHT-HMS 21, by original designation; now FMNH 100088 according to Marx, 1976, Fieldiana, Zool., 69: 44. Type locality: "Two miles east of Mazatlán, Sinaloa", Mexico.

Bufo debilis kelloggiSanders and Smith, 1951, Field and Laboratory, 19: 141–160; Riemer, 1955, Herpetologica, 11: 18.

Bufo kelloggiSavage, 1954, Texas J. Sci., 6: 83–112; Bogert, 1962, Am. Mus. Novit., 2100: 1–36.

Anaxyrus kelloggiFrost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006, Bull. Am. Mus. Nat. Hist., 297: 363.

Bufo (Anaxyrus) kelloggi — Fouquette and Dubois, 2014, Checklist N.A. Amph. Rept.: 290, by implication. See comment under Bufonidae regarding how this arrangement is part of a a system that requires widespread paraphyly. 

English Names

Little Mexican Toad (Ananjeva, Borkin, Darevsky, and Orlov, 1988, Dict. Amph. Rept. Five Languages: 39; Liner, 1994, Herpetol. Circ., 23: 17; Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 42; Liner and Casas-Andreu, 2008, Herpetol. Circ., 38: 8).


Central Sonora south along the coastal plain to Nayarit, Mexico.

Geographic Occurrence

Natural Resident: Mexico

Endemic: Mexico


Reviewed by Hulse, 1977, Cat. Am. Amph. Rept., 200: 1–2. In the Bufo debilis group of Martin, 1972, in Blair (ed.), Evol. Genus Bufo: 53. See comment under Anaxyrus punctatusOliver-López, Woolrich-Piña, and Lemos-Espinal, 2009, Fam. Bufonidae Mex.: 38–40, provided an account. Rorabaugh and Lemos-Espinal, 2016, Field Guide Amph. Rept. Sonora: 123–124, provided a detailed account of natural history, morphology, and conservation status in Sonora, Mexico. Peralta-García, Leavitt, Hollingsworth, and Reeder, 2021, J. Herpetol., 50: 471–475, provided a distribution map and molecular evidence for the placement of this species in the Anaxyrus debilis group, as the sister taxon of Anaxyrus debilis + Anaxyrus retiformis. Loc-Barragán, Smith, Woolrich-Piña, and Lemos-Espinal, 2024, Herpetozoa, Wien, 37: 30, reported on the distributional and conservation status in the state of Nayarit, Mexico. 

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