Bufo gemmifer Taylor, 1940 "1939", Univ. Kansas Sci. Bull., 26: 490. Holotype: EHT-HMS 18509, by original designation; now FMNH 100026 according to Marx, 1976, Fieldiana, Zool., 69: 44. Type locality: "El Limoncito, near La Venta, Guerrero", Mexico.
Cranopsis gemmifer — Frost, 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 gemmifer — Frost, Grant, and Mendelson, 2006, Copeia, 2006: 558. by implication.
Incilius gemmifer — Frost, Mendelson, and Pramuk, 2009, Copeia, 2009: 418-419. By implication.
Jeweled Toad (Liner, 1994, Herpetol. Circ., 23: 17; Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 41; Liner and Casas-Andreu, 2008, Herpetol. Circ., 38: 18).
Coastal region near Acapulco, Guerrero, Mexico.
In the former Bufo valliceps group of Martin, 1972, in Blair (ed.), Evol. Genus Bufo: 49. See account by Porter, 1964 "1963", Herpetologica, 19: 229-247, who noted the close, possibly conspecific, relationship with Incilius mazatlanensis. See map, description of geographic range and habitat, and conservation status (as Bufo gemmifer) in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 184. Mendelson, Mulcahy, Williams, and Sites, 2011, Zootaxa, 3138: 1-34, suggested that this species is a member of a monophyletic Incilius valliceps group and in a subgroup they referred to as the Lowland group (the name Incilius valliceps subgroup is available—DRF) that includes Incilius gemmifer, Incilius luetkeni, Incilius mazatlanensis, Incilius nebulifer, and Incilius valliceps.
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