Abstract
Sympatric species are excelente models to study forms of interspecific reproductive isolation, as they are a natural system with co-occurring independently evolving linages. The species of anuran amphibians of Thoropa miliaris group (T. megatympanum, T. miliaris, T. saxatilis, T. taophora) inhabit the Atlantic Forest and campo rupestre and present many lineages, apparently without gene fl…