Two new species of the Brachycephaluspernix group (Anura: Brachycephalidae) from the state of Paraná, southern Brazil

  • Ribeiro L
  • Blackburn D
  • Stanley E
  • et al.
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Abstract

We describe two new species of miniaturized toadlet in the B. pernix group of Brachycephalus (Anura: Brachycephalidae) from the Atlantic Forest of the state of Paraná, southern Brazil. The first new species is distinguished from all congeners by the pale red coloration from the head to the pelvic region, with sides of the body and thighs dorsally yellowish green. It is known only from the type locality in a cloud forest at altitudes ranging between 1,144–1,228 m a.s.l. The second species, although more closely related to B. izecksohni , is morphologically similar to B. brunneus in its overall brown coloration, but distinct from that species in the color of the iris (black with conspicuous golden spots, instead of entirely black). It was found on three mountains, at altitudes between 1,095–1,320 m a.s.l., and in vegetation types including cloud forest, montane forest, and secondary forest. The two new species exhibit neither vertebral fusions nor osteoderms, but one has both a distinct neopalatine and well-developed odontoids on the maxillae. We discuss the conservation status of both species.

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Ribeiro, L. F., Blackburn, D. C., Stanley, E. L., Pie, M. R., & Bornschein, M. R. (2017). Two new species of the Brachycephaluspernix group (Anura: Brachycephalidae) from the state of Paraná, southern Brazil . PeerJ, 5, e3603. https://doi.org/10.7717/peerj.3603

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