Diversity of teiid lizards from Gran Chaco and Western Cerrado (squamata: teiidae)

The Gran Chaco dry forest ecoregion corresponds to the southern portion of the South America diagonal belt of open formations, being one of the most threatened subtropical woodland savannas in the world. The area is still poorly known biologically and has been suffering with impressively high fores...

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Autores principales: Arias, Federico José, Recoder, Renato, Álvarez, Blanca Beatriz, Ethcepare, Eduardo, Quipildor, Matias, Lobo, Fernando, Rodrígues Trefaut, Miguel
Formato: Artículo
Lenguaje:Inglés
Publicado: John Wiley & Sons 2022
Materias:
Teiid lizards
Squamata: Teiidae
Gran Chaco
Western Cerrado
Acceso en línea:http://repositorio.unne.edu.ar/handle/123456789/30857
Aporte de:
RIUNNE - Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE) de Universidad Nacional del Nordeste
id I48-R184-123456789-30857
record_format dspace
institution Universidad Nacional del Nordeste
institution_str I-48
repository_str R-184
collection RIUNNE - Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE)
language Inglés
topic Teiid lizards
Squamata: Teiidae
Gran Chaco
Western Cerrado
spellingShingle Teiid lizards
Squamata: Teiidae
Gran Chaco
Western Cerrado
Arias, Federico José
Recoder, Renato
Álvarez, Blanca Beatriz
Ethcepare, Eduardo
Quipildor, Matias
Lobo, Fernando
Rodrígues Trefaut, Miguel
Diversity of teiid lizards from Gran Chaco and Western Cerrado (squamata: teiidae)
topic_facet Teiid lizards
Squamata: Teiidae
Gran Chaco
Western Cerrado
description The Gran Chaco dry forest ecoregion corresponds to the southern portion of the South America diagonal belt of open formations, being one of the most threatened subtropical woodland savannas in the world. The area is still poorly known biologically and has been suffering with impressively high forest cover loss in the last 10 years. Integrating morphological and molecular data, we detected and describe a cryptic new species of lizard genus Ameivula endemic from the eastern part of this ecoregion, the called Humid Chaco. Ameivula apipensis sp nov. is characterised by a whitish brown vertebral stripe in adults and juveniles, a lateral field without ocelli and with overlapping spot, presence of an interfrontoparietal scale in 46.2% of the specimens, 12–17 femoral pores, an hemipenis without lateral sac, five xiphisternal ribs, and by a combination of meristic features as confirmed by discriminant analysis. The new species was recovered sister to a clade from Western Cerrado in our analysis, the first phylogenetic hypothesis for the Ameivula and Glaucomastix genera based on 1977 base pairs of three mitochondrial (12S, 16S and cyt-b) and one nuclear (c-mos) genes, including all the recognised species at the moment. Maximum parsimony and Bayesian inference recovered the monophyly of Ameivula and Glaucomastix with strong support. Reinforcing previous studies, our results suggest the presence of additional cryptic species in Ameivula from the Western Cerrado.
format Artículo
author Arias, Federico José
Recoder, Renato
Álvarez, Blanca Beatriz
Ethcepare, Eduardo
Quipildor, Matias
Lobo, Fernando
Rodrígues Trefaut, Miguel
author_facet Arias, Federico José
Recoder, Renato
Álvarez, Blanca Beatriz
Ethcepare, Eduardo
Quipildor, Matias
Lobo, Fernando
Rodrígues Trefaut, Miguel
author_sort Arias, Federico José
title Diversity of teiid lizards from Gran Chaco and Western Cerrado (squamata: teiidae)
title_short Diversity of teiid lizards from Gran Chaco and Western Cerrado (squamata: teiidae)
title_full Diversity of teiid lizards from Gran Chaco and Western Cerrado (squamata: teiidae)
title_fullStr Diversity of teiid lizards from Gran Chaco and Western Cerrado (squamata: teiidae)
title_full_unstemmed Diversity of teiid lizards from Gran Chaco and Western Cerrado (squamata: teiidae)
title_sort diversity of teiid lizards from gran chaco and western cerrado (squamata: teiidae)
publisher John Wiley & Sons
publishDate 2022
url http://repositorio.unne.edu.ar/handle/123456789/30857
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