An evolutionary paradox on threadsnakes : phenotypic and molecular evidence reveal a new and remarkably polymorphic species of Siagonodon (Serpentes: Leptotyphlopidae: Epictinae) from Amazonia

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Autor(es): dc.contributorUniversidade de Brasília, Departamento de Ciências Fisiológicas-
Autor(es): dc.contributorUniversidade Federal do Rio de Janeiro, Museu Nacional, Departamento de Vertebrados-
Autor(es): dc.contributorUniversidade Federal do Rio de Janeiro, Museu Nacional, Departamento de Vertebrados-
Autor(es): dc.contributorUniversidade Federal do Oeste do Pará, Programa de Pós-graduação em Biodiversidade-
Autor(es): dc.contributorAveverde Soluções Ambientais-
Autor(es): dc.contributorLeibniz Institute for the Analysis of Biodiversity Change (LIB), Museum Alexander Koenig-
Autor(es): dc.contributorLaboratoire Evolution et Diversité Biologique (EDB)-
Autor(es): dc.contributorUniversidade Federal do Rio de Janeiro, Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa em Engenharia, Laboratório de Instrumentação Nuclear-
Autor(es): dc.contributorUniversidade Católica de Pernambuco, Museu de Arqueologia e Ciências Naturais, Laboratório de Diversidade de Anfíbios e Répteis-
Autor(es): dc.contributorUniversidade de São Paulo, Instituto de Biociências, Departamento de Zoologia-
Autor(es): dc.creatorMartins, Angele dos Reis-
Autor(es): dc.creatorFolly, Manuella-
Autor(es): dc.creatorFerreira, Guilherme Nunes-
Autor(es): dc.creatorSilva, Antônio Samuel Garcia da-
Autor(es): dc.creatorKoch, Claudia-
Autor(es): dc.creatorFouquet, Antoine-
Autor(es): dc.creatorMachado, Alessandra-
Autor(es): dc.creatorLopes, Ricardo Tadeu-
Autor(es): dc.creatorPinto, Roberta-
Autor(es): dc.creatorRodrigues, Miguel Trefaut-
Autor(es): dc.creatorPassos, Paulo-
Data de aceite: dc.date.accessioned2024-10-23T15:15:22Z-
Data de disponibilização: dc.date.available2024-10-23T15:15:22Z-
Data de envio: dc.date.issued2023-10-10-
Data de envio: dc.date.issued2023-10-10-
Data de envio: dc.date.issued2022-
Fonte completa do material: dc.identifierhttp://repositorio2.unb.br/jspui/handle/10482/46652-
Fonte completa do material: dc.identifierhttps://doi.org/10.3897/vz.73.e98170-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/878448-
Descrição: dc.descriptionThreadsnakes are known for their conserved external morphology and historically controversial systematics, challenging taxonomic, biogeographic and evolutionary researches in these fields. Recent morphological studies—mostly based on μCT data of the skull and lower jaw—have resolved systematic issues within the group, for instance leading to the description of new taxa or re-positioning little-known scolecophidian taxa in the tree of life. Herein we describe a new polymorphic species of the genus Siagonodon from Amazonia based on morphological (external, osteology and hemipenis) and molecular data, and provide the first hemipenial description for the genus. We also reassign Siagonodon acutirostris to the genus Trilepida based on osteological data in combination with molecular evidence. The new species described represents an evolutionary paradox for scolecophidians because the species displays a remarkable variation in the shape of the snout region that is otherwise always highly conserved in this clade. Finally, this study reinforces the importance of protected areas as essential in maintaining vertebrate populations, including those that are not yet formally described.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Publicador: dc.publisherPensoft-
Direitos: dc.rightsAcesso Aberto-
Direitos: dc.rightsCopyright Angele Martins et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.-
Palavras-chave: dc.subjectMorfologia hemipeniana-
Palavras-chave: dc.subjectOssos-
Palavras-chave: dc.subjectFilogenia-
Palavras-chave: dc.subjectPolimorfismo (Genética)-
Título: dc.titleAn evolutionary paradox on threadsnakes : phenotypic and molecular evidence reveal a new and remarkably polymorphic species of Siagonodon (Serpentes: Leptotyphlopidae: Epictinae) from Amazonia-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional – UNB

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