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Cryptic diversity in Amazonian frogs : Integrative taxonomy of the genus Anomaloglossus (Amphibia : Anura : Aromobatidae) reveals a unique case of diversification within the Guiana Shield [Molecular Phylogenetics & Evolution]

Jean-pierre Vacher, Christophe Thébaud, Antoine Fouquet

par Frédéric Magné - publié le , mis à jour le

Lack of resolution on species boundaries and distribution can hamper inferences in many fields of biology, notably biogeography and conservation biology. This is particularly true in megadiverse and under-surveyed regions such as Amazonia, where species richness remains vastly underestimated. Integrative approaches using a combination of phenotypic and molecular evidence have proved extremely successful in reducing knowledge gaps in species boundaries, especially in animal groups displaying high levels of cryptic diversity like amphibians. Here we combine molecular data (mitochondrial 16S rRNA and nuclear TYR, POMC, and RAG1) from 522 specimens of Anomaloglossus, a frog genus endemic to the Guiana Shield, including 16 of the 26 nominal species, with morphometrics, bioacoustics, tadpole development mode, and habitat use to evaluate species delineation in two lowlands species groups.(...)

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