A consolidated phylogeny of snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Colombia, Ecuador, and Panama

A molecular phylogeny of the Neotropical snail-eating snakes (tribe Dipsadini Bonaparte, 1838) is presented that includes 60 of the 133 species currently recognized. There is morphological and phylogenetic support for four new species of Sibon Fitzinger, 1826 and one of Dipsas Laurenti, 1768, which...

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Main Authors: Alejandro Arteaga, Abel Batista
Format: Article
Language:English
Published: Pensoft Publishers 2023-01-01
Series:ZooKeys
Online Access:https://zookeys.pensoft.net/article/93601/download/pdf/
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author Alejandro Arteaga
Abel Batista
author_facet Alejandro Arteaga
Abel Batista
author_sort Alejandro Arteaga
collection DOAJ
description A molecular phylogeny of the Neotropical snail-eating snakes (tribe Dipsadini Bonaparte, 1838) is presented that includes 60 of the 133 species currently recognized. There is morphological and phylogenetic support for four new species of Sibon Fitzinger, 1826 and one of Dipsas Laurenti, 1768, which are described here based on their unique combination of molecular, meristic, and color pattern characteristics. Plesiodipsas Harvey et al., 2008 is designated as a junior synonym of Dipsas and additional evidence is presented to support the transfer of the genus Geophis Wagler, 1830 to the tribe Dipsadini. Two of the subspecies of S. nebulatus (Linnaeus, 1758) are elevated to full species status. Insight into additional undescribed cryptic diversity within the S. nebulatus species complex is provided. Evidence that supports the existence of an undescribed species previously confused with D. temporalis is provided, as well as the first country record of S. ayerbeorum Vera-Pérez, 2019 in Ecuador with a comment on the ontogenetic variation of the latter. Finally, photographs of Colombian, Ecuadorian, and Panamanian snail-eating snakes are provided.
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spelling doaj.art-c8c64d6972324e61a5336493af4a6dbe2023-01-27T09:11:05ZengPensoft PublishersZooKeys1313-29702023-01-01114314910.3897/zookeys.1143.9360193601A consolidated phylogeny of snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Colombia, Ecuador, and PanamaAlejandro Arteaga0Abel Batista1Tropical Herping S.A.Sistema Nacional de InvestigaciónA molecular phylogeny of the Neotropical snail-eating snakes (tribe Dipsadini Bonaparte, 1838) is presented that includes 60 of the 133 species currently recognized. There is morphological and phylogenetic support for four new species of Sibon Fitzinger, 1826 and one of Dipsas Laurenti, 1768, which are described here based on their unique combination of molecular, meristic, and color pattern characteristics. Plesiodipsas Harvey et al., 2008 is designated as a junior synonym of Dipsas and additional evidence is presented to support the transfer of the genus Geophis Wagler, 1830 to the tribe Dipsadini. Two of the subspecies of S. nebulatus (Linnaeus, 1758) are elevated to full species status. Insight into additional undescribed cryptic diversity within the S. nebulatus species complex is provided. Evidence that supports the existence of an undescribed species previously confused with D. temporalis is provided, as well as the first country record of S. ayerbeorum Vera-Pérez, 2019 in Ecuador with a comment on the ontogenetic variation of the latter. Finally, photographs of Colombian, Ecuadorian, and Panamanian snail-eating snakes are provided.https://zookeys.pensoft.net/article/93601/download/pdf/
spellingShingle Alejandro Arteaga
Abel Batista
A consolidated phylogeny of snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Colombia, Ecuador, and Panama
ZooKeys
title A consolidated phylogeny of snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Colombia, Ecuador, and Panama
title_full A consolidated phylogeny of snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Colombia, Ecuador, and Panama
title_fullStr A consolidated phylogeny of snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Colombia, Ecuador, and Panama
title_full_unstemmed A consolidated phylogeny of snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Colombia, Ecuador, and Panama
title_short A consolidated phylogeny of snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Colombia, Ecuador, and Panama
title_sort a consolidated phylogeny of snail eating snakes serpentes dipsadini with the description of five new species from colombia ecuador and panama
url https://zookeys.pensoft.net/article/93601/download/pdf/
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