Proceratophrys bigibbosa
It is found in the Misiones Province in the northeastern Argentina and in Rio Grande do Sul and Santa Catarina in southern Brazil; its range might extend into the adjacent Paraguay . 
<triplet> Misiones Province <subj> Argentina <obj> country <triplet> Argentina <subj> Misiones Province <obj> contains administrative territorial entity <triplet> Rio Grande do Sul <subj> Brazil <obj> located in the administrative territorial entity <triplet> Santa Catarina <subj> Brazil <obj> country <triplet> Brazil <subj> Rio Grande do Sul <obj> contains administrative territorial entity <subj> Santa Catarina <obj> contains administrative territorial entity