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By: Dias, Pedro H. dos Santos - Carvalho e Silva, Ana Maria Paulino Telles de. - Carvalho e Silva, Sérgio Potsch de,Type: ArticleIn: Zoologia (Curitiba)Volume:Series:Issue:Date: 2014-04-01Page Range:Publication Info: Zoologia (Curitiba)Subjects: Chondrocranium Description internal oral morphology Proceratophrys appendiculata complex systematics