Odontophrynus barrioi Cei, Ruiz, and Beçak, 1982, J. Herpetol., 16: 97. Holotype: MZUSP 57635, by original designation. Type locality: "Aguadita springs, 2200 m, 30 km north of the village of Famatina, Sierra de Famatina, La Rioja Province, Argentina".
Barrio's Escuerzo (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 82).
La Rioja, San Juan, and Catamarca provinces, Argentina.
Morphological differences between this and Odontophrynus occidentalis reported by Crespo and Cei, 1983, Arq. Mus. Bocage, Ser. B, 2: 47-55. Rosset, Ferraro, Alcalde, and Basso, 2007, S. Am. J. Herpetol., 2: 97-106, provided life-history and morphology as well as new records.
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