Stombus precrenulatus Miranda-Ribeiro, 1937, a Junior Synonym of Proceratophrys schirchi (Miranda-Ribeiro, 1937) (Anura: Leptodactylidae)

Miranda-Ribeiro (1937) described two new species of the genus Stombus (S. goyanus and S. schirchi), belonging to the series of species with reduced ocular appendages. At the end of the same paper, the author referred to another species in the following text, here freely translated from the original old, difficult Portuguese: "Dr. Paulo Schirch had brought a large series of other smaller Stombus which I have described and