Incilius pisinnus (Mendelson, Williams, Sheil, and Mulcahy, 2005)

Class: Amphibia > Order: Anura > Family: Bufonidae > Genus: Incilius > Species: Incilius pisinnus

Bufo pisinnus Mendelson, Williams, Sheil, and Mulcahy, 2005, Sci. Pap. Nat. Hist. Mus. Univ. Kansas, 38: 15. Holotype: UMMZ 233723, by original designation. Type locality: "6.2 mi [10 km] E Apatzingán, 1100 feet [335 m] elevation", Michoacán, Mexico.

Cranopsis pisinnaFrost, 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: 364.

Ollotis pisinnaFrost, Grant, and Mendelson, 2006, Copeia, 2006: 558, by implication.

Incilius pisinnusFrost, Mendelson, and Pramuk, 2009, Copeia, 2009: 418-419, by implication.

English Names

Michoacan Toad (Liner and Casas-Andreu, 2008, Herpetol. Circ., 38: 18).


Known only from mesquite semidesert grassland in the Tepalcatepec Valley of Michoacán, Mexico.

Geographic Occurrence

Natural Resident: Mexico

Endemic: Mexico


In the Incilius coccifer complex and confused with Incilius cycladen and Incilius coccifer (all as Bufo) prior to its description, according to the original publication. Mendelson, Mulcahy, Williams, and Sites, 2011, Zootaxa, 3138: 1-34, suggested that Incilius canaliferus is a members in an a monophyletic Incilius coccifer group that includes Incilius coccifer, Incilius cycladen, Incilius ibarrai, Incilius pisinnus, Incilius porteri, and Incilius signiferOliver-López, Woolrich-Piña, and Lemos-Espinal, 2009, Fam. Bufonidae Mex.: 90, provided an account for Mexico (as Ollotis pisinna).

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