Abstract
Analyses of coloration and morphological characters of Brazilian frogs of Gastrotheca show the presence of 2 spp. G. fissipes (Boulenger, 1888) is a large species with a casqued, co-ossified skull; G. microdisca (Andersson, 1910) is a smaller species lacking casquing and co-ossification and having a highly variable color pattern. The nominal taxa G. ernestoi Miranda-Ribeiro, 1920 and G. viridis A. Lutz and B. Lutz, 1939, are placed in the synonymy of G. microdisca.

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