Oreobates quixensis Jiménez de la Espada, 1872, An. Soc. Esp. Hist. Nat., 1: 87. Type(s): Not stated, although 13 syntypes from MNCN, were identified by Padial, Chaparro, and De la Riva, 2008, Zool. J. Linn. Soc., 152: 762, and who designated MNCN 1708 as lectotype. See also González-Fernández, García-Díez, and San Segundo, 2009, Spixiana, München, 32: 274, for discussion of types. Type locality: "la provincia de Quijos en el Ecuador" (= Quito, Pichincha Province, Ecuador, according to Peters, 1955, Rev. Ecuat. Entomol. Parsitol., 2: 347). Type locality given by Padial, Chaparro, and De la Riva, 2008, Zool. J. Linn. Soc., 152: 762 as " San José de Moti, Municipio San José de Mote (or Nuevo), Provincia Napo", Ecuador.
Borborocoetes quixensis — Boulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 256.
Leptodactylus tuberculosus Andersson, 1945, Ark. Zool., 37A(2): 59. Syntypes: NHRM (8 specimens), by original designation. Type locality: "Rio Pastaza and Rio Napo, Watershed", eastern Ecuador. Synonymy by Lynch, 1972, Bull. S. California Acad. Sci., 71: 10; Heyer and Peters, 1971, Proc. Biol. Soc. Washington, 84: 168.
Eupsophus quixensis — Peters, 1955, Rev. Ecuat. Entomol. Parsitol., 2: 347.
Ischnocnema quixensis — Lynch and Schwartz, 1971, J. Herpetol., 5: 109.
Oreobates quixensis — Caramaschi and Canedo, 2006, Zootaxa, 1116: 48.
Common Big-headed Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 81).
Upper Amazon Basin in Colombia, Ecuador, Peru, Bolivia (Pando), and western Brazil, up to 1000 m.
De la Riva, Köhler, Lötters, and Reichle, 2000, Rev. Esp. Herpetol., 14: 48, provided first record for Bolivia. See account by Padial, Chaparro, and De la Riva, 2008, Zool. J. Linn. Soc., 152: 761-762. See Duellman and Lehr, 2009, Terrest.-breeding Frogs in Peru: 102-103, for brief account.
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