Thoropa megatympanum is a species of frog in the family Cycloramphidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical seasonally wet or flooded lowland grassland, rivers, and rocky areas. It is threatened by habitat loss. References megatympanum Endemic fauna of Brazil Amphibians of Brazil Taxonomy articles created by Polbot Amphibians described in 1984 Taxa named by Ulisses Caramaschi