Abstract
The genus Elachistocleis Parker, 1927 (Gastrophryninae: Microhylidae) currently has 17 species that can be subdivided into two groups according to the ventral color pattern, One has immaculate chest and belly and other with spots or blotches on belly. The genus has a wide distribution in South America, occupying various biomes. Despite recent efforts to revise the taxonomy of the genus El…