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Detalhes da Produção
| Tipo | Artigo Publicado |
| Grupo | Produção Bibliográfica |
| Descrição | BREITMAN, M. F. ; Fabrícius M. C. B. Domingos ; BAGLEY, J. ; Wiederhecker, Helga ; FERRARI, T. B. ; CAVALCANTI, V. H. G. L. ; PEREIRA, A. C. ; ABREU, T. ; LIMA, A. ; MORAIS, C. J. S. ; Ana Cecília Holler ; Izabella Paim de Melo Costa da Silva ; MELLO, R. ; SANTOS, G. C. ; LIMA, T. M. ; ALMEIDA, A. ; MATIAS, C. A. ; CARVALHO, G. C. ; PANTOJA, J. A. L. ; SILVA, I. M. G. ; PINHEIRO, I. ; RODRIGUES, G. ; TALARICO, A. ; BARRETO-LIMA, A. F. ; COLLI, G. R.. A New Species of Enyalius (Squamata, Leiosauridae) Endemic to the Brazilian Cerrado. HERPETOLOGICA, v. 74, p. 355-369, 2018. |
| Autor | Helga Correa Wiederhecker |
| Ano | 2018 |
Informações Complementares
| Ano do artigo | 2018 |
| Descricão e Informacões Adicionais | We describe a new species of Enyalius endemic to the Brazilian Cerrado, based on morphological and molecular data sets. In the face of uncertain taxonomy among museum specimens of Enyalius, we used a novel analytical approach based on Gaussian mixture modeling for species assignments. We also used a machine-learning classification procedure (random forests) to investigate morphological variation and identify species diagnostic characters. Phylogenetic and species delimitation analyses supported the distinction of the new species from its congeners. The new species is characterized by the fewest ventral scales and smallest snout?vent length in the genus. Moreover, we infer that this species diverged from its closest relative, E. bilineatus, in the late Miocene, presumably after colonization of Cerrado gallery forests by an Atlantic Forest ancestor, followed by ecological or geographical speciation linked to shrinkage or fragmentation of gallery forests associated with global cooling and increased aridity. Rapid conversion of natural habitats, the isolation of protected areas, and recent changes to the Brazilian Forest Code pose serious threats to the conservation of the new species described herein, and other gallery forest inhabitants. |
| Descricão e Informacões Adicionais(en) | We describe a new species of Enyalius endemic to the Brazilian Cerrado, based on morphological and molecular data sets. In the face of uncertain taxonomy among museum specimens of Enyalius, we used a novel analytical approach based on Gaussian mixture modeling for species assignments. We also used a machine-learning classification procedure (random forests) to investigate morphological variation and identify species diagnostic characters. Phylogenetic and species delimitation analyses supported the distinction of the new species from its congeners. The new species is characterized by the fewest ventral scales and smallest snout?vent length in the genus. Moreover, we infer that this species diverged from its closest relative, E. bilineatus, in the late Miocene, presumably after colonization of Cerrado gallery forests by an Atlantic Forest ancestor, followed by ecological or geographical speciation linked to shrinkage or fragmentation of gallery forests associated with global cooling and increased aridity. Rapid conversion of natural habitats, the isolation of protected areas, and recent changes to the Brazilian Forest Code pose serious threats to the conservation of the new species described herein, and other gallery forest inhabitants. |
| Divulgacão Científica | NAO |
| DOI | 10.1655/herpetologica-d-17-00041.1 |
| Idioma | Inglês |
| ISSN | 00180831 |
| Meio de Divulgação | MEIO_DIGITAL |
| Natureza | COMPLETO |
| Página Final | 369 |
| Página Inicial | 355 |
| Relevância | NAO |
| Série | 4 |
| Título do Artigo | A New Species of Enyalius (Squamata, Leiosauridae) Endemic to the Brazilian Cerrado |
| Título do Artigo(en) | A New Species of Enyalius (Squamata, Leiosauridae) Endemic to the Brazilian Cerrado |
| Título do Períodico ou Revista | HERPETOLOGICA |
| Volume | 74 |