Bufo signifer Mendelson, Williams, Sheil, and Mulcahy, 2005, Sci. Pap. Nat. Hist. Mus. Univ. Kansas, 38: 20. Holotype: AMNH 69626, by original designation. Type locality: "7 mi N (11.2 km) and 2 mi (3.2 km) W of David, Chiriquí, Panama".
Cranopsis signifera — 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 signifer — Frost, Grant, and Mendelson, 2006, Copeia, 2006: 558. by implication.
Incilius signifer — Frost, Mendelson, and Pramuk, 2009, Copeia, 2009: 418-419. By implication.
None noted.
Tropical dry forest along the Pacific versant of Panama, west of the Canal Zone.
In the Incilius coccifer complex and confused with Incilius coccifer (all as Bufo) prior to its description, according to the original publication. The published etymology of the specific name renders it an adjective rather than a noun in apposition (DRF). Mendelson, Mulcahy, Williams, and Sites, 2011, Zootaxa, 3138: 1-34, suggested that this species is a member of a monophyletic Incilius coccifer group that includes Incilius coccifer, Incilius cycladen, Incilius ibarrai, Incilius pisinnus, Incilius porteri, and Incilius signifer.
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