Proceratophrys avelinoi is a species of frog in the family Odontophrynidae. It is found in Argentina, Brazil, and possibly Paraguay. Its natural habitats are subtropical or tropical moist lowland forest, rivers, intermittent rivers, pastureland, and heavily degraded former forest. It is threatened by habitat loss. References Proceratophrys Amphibians of Argentina Amphibians of Brazil Taxonomy articles created by Polbot Amphibians described in 1993