Proceratophrys avelinoi Mercadal de Barrio and Barrio, 1993

Class: Amphibia > Order: Anura > Family: Odontophrynidae > Genus: Proceratophrys > Species: Proceratophrys avelinoi

Proceratophrys avelinoi Mercadal de Barrio and Barrio, 1993, Amphibia-Reptilia, 14: 14. Holotype: CENAI 10.867, by original designation; now in MACN. Type locality: "Moncholito, Misiones, República Argentina".

English Names

Avelino's Smooth Horned Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 84).

Cow Frog (Hiert and Moura, 2004, Herpetol. Rev., 35: 184).


Known from several localities in Misiones Province, Argentina, and in Londrina and Guarapuava municipality, state of Paraná and Municipality of Derrubadas, extreme northern Rio Grande do Sul, Brazil; also reported for extreme southeastern Paraguay (departments of Itapúa and Alto Paraná) in isolated populations.


In the Proceratophrys bigibbosa group according to Kwet and Faivovich, 2001, Copeia, 2001: 203-215, who provided an account. Herrero, 1991, Genet. Select. Evol., 23: 184-185, provided an additional Brasilian record and discussed the range. de Sá and Langone, 2002, J. Herpetol., 36: 490–494, reported on larval morphology. Brusquetti and Lavilla, 2006, Cuad. Herpetol., 20: 16-17, provided the first record for Paraguay (Itapúa). Cacciali, Esquivel, Elder, Smith, and Brusquetti, 2007, Bellbird (online:, 2: 1 page, reported a new locality in Paraguay near the other Paraguayan locality. Caldart, Iop, Santos, and Cechin, 2010, Biota Neotrop., 10: 143-147, provided a record for extreme northern Rio Grande do Sul, Brazil and provided a locality map for the species. Carosini, Pérez, Ortiz, Valdez, Torres, and de la Sancha, 2010, Check List, 6: 332–333, provided a new locality, and discussed the range of the species in Paraguay (isolated records in the departments of Itapúa and Alto Paraná).  

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