Bufo spinulosus orientalis Vellard, 1959, Mem. Mus. Hist. Nat. Javier Prado, 8: 1-48. Syntypes: MUSM (formerly MHNJP) 815 (2 specimens); MUSM (formerly MHNJP) 3750 (renumbered) designated lectotype by Morales, Carrillo, and Ortega, 1990, Publ. Mus. Hist. Nat. Univ. Nac. Mayor San Marcos, 33: 2. Type locality: "Hacienda Yanasona (Alto Marañón...)", Peru. Preoccupied by Bufo viridis orientalis Werner, 1896 "1895".
Bufo limensis orientalis — Cei, 1972, in Blair (ed.), Evol. Genus Bufo: 82-91.
Bufo orientalis — Cei, 1972, in Blair (ed.), Evol. Genus Bufo: 82-91. Alternative arrangement.
Bufo vellardi Leviton and Duellman, 1978, J. Herpetol., 12: 246. Replacement name for Bufo spinulosus orientalis Vellard, 1959.
Bufo limensis vellardi — Leviton and Duellman, 1978, J. Herpetol., 12: 246. Alternative arrangement.
Chaunus vellardi — 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. Savage and Bolaños, 2009, Zootaxa, 2005: 4. By implication.
Rhinella vellardi — Chaparro, Pramuk, and Gluesenkamp, 2007, Herpetologica, 63: 211. by implication; Pramuk, Robertson, Sites, and Noonan, 2008, Global Ecol. Biogeograph., 17: 76.
Alto Maranon Toad (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 44).
Known only from the type locality in the upper Marañón area, Cajamarca, northern Peru.
Considered a subspecies of Rhinella limensis (as Bufo limensis) by Leviton and Duellman, 1978; see comment under Rhinella limensis.
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