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Rapid karyotypic evolution with high diploid number variation in a rare genus of bromeligenous frogs

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Bromeligenous Crossodactylodes is a leptodactylid genus closely related to Paratelmatobius and Scythrophrys. The diploid number in all karyotyped species of these two latter genera is 24, which diverges from the modal diploid number (2n = 22) in the family. He... ...