Bufo cophotis Boulenger, 1900, Ann. Mag. Nat. Hist., Ser. 7, 6: 181. Syntypes: BMNH 1947.2.20.86 (formerly 1900.3.30.24) and 1947.2.20.87-90 (formerly 1900.6.20.35-38) according to M.S. Hoogmoed in Frost, 1985, Amph. Species World: 41. Type locality: "Paramo, Cajamarca, 9000 feet", and "Carao [= Caraz], 7000 feet", Ancash, Peru.
Chaunus cophotis — 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.
Nannophryne cophotis — Frost, 2007, Amph. Spec. World Online, vers. 5.0: . by implication of the results of Pramuk, 2006, Zool. J. Linn. Soc., 146: 435; Pramuk, Robertson, Sites, and Noonan, 2008, Global Ecol. Biogeograph., 17: 76; Chaparro, Pramuk, and Gluesenkamp, 2007, Herpetologica, 63: 203-212 (by implication).
Paramo Toad (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 41).
Atlantic and Amazonian Andes (2000 to 3500 m), Departments of Cajamarca, Ancash, and La Libertad, northern Peru, 3160-4100 m elevation.
See comment under Nannophryne. Possibly a member of Osornophryne according to Hoogmoed, 1990, in Peters and Hutterer (eds.), Vert. Tropics: 114. Córdova, 1999, Stuttgart. Beit. Naturkd., Ser. A—Biol., 600: 1-28, reported on karyotype and posited relationship to Bufo spinulosus. Pramuk, 2006, Zool. J. Linn. Soc., 146: 425, suggested on the basis of molecular and morphological evidence that it is in the Bufo variegatus group (now Nannophryne).
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