First Fossil of Rhinoclemmys Fitzinger, 1826 (Cryptodira, Geoemydidae) East of the Andes

Resultado de la investigación: Contribución a RevistaArtículo

Resumen

We describe the first undisputable fossil of Rhinoclemmys (Cryptodira, Geoemydidae) east of the Andes, represented by an isolated nuchal bone found in one of the most important paleontological sites with association of fauna and humans (Muaco site, western Venezuela) from the Late Pleistocene of the southern Caribbean. The nuchal is complete and slightly wider (4.8 cm) than long (4.2 cm), preserving well- defined sulci of the cervical, vertebral 1, marginal 1, and pleural 1. Comparisons with extant and fossil specimens of Rhinoclemmys allow us to attribute this nuchal to Rhinoclemmys, albeit as an indeterminate species. The occurrence of Rhinoclemmys in the southern Paraguaná Peninsula indicates that during the Late Pleistocene this region had environmental conditions that allowed the survival of these freshwater- terrestrially adapted reptiles, particularly of “paleo-springs” inside a semi-arid region
Título traducido de la contribuciónPrimer fósil de Rhinoclemmys Fitzinger, 1826 (Cryptodira, Geoemydidade) Este de los Andes
Idioma originalEnglish (US)
Páginas (desde-hasta)19
Número de páginas23
PublicaciónSouth American Journal of Herpetology
Volumen14
N.º1
DOI
EstadoPublished - abr 15 2019

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title = "First Fossil of Rhinoclemmys Fitzinger, 1826 (Cryptodira, Geoemydidae) East of the Andes",
abstract = "We describe the first undisputable fossil of Rhinoclemmys (Cryptodira, Geoemydidae) east of the Andes, represented by an isolated nuchal bone found in one of the most important paleontological sites with association of fauna and humans (Muaco site, western Venezuela) from the Late Pleistocene of the southern Caribbean. The nuchal is complete and slightly wider (4.8 cm) than long (4.2 cm), preserving well- defined sulci of the cervical, vertebral 1, marginal 1, and pleural 1. Comparisons with extant and fossil specimens of Rhinoclemmys allow us to attribute this nuchal to Rhinoclemmys, albeit as an indeterminate species. The occurrence of Rhinoclemmys in the southern Paraguan{\'a} Peninsula indicates that during the Late Pleistocene this region had environmental conditions that allowed the survival of these freshwater- terrestrially adapted reptiles, particularly of “paleo-springs” inside a semi-arid region",
author = "{Cadena Rueda}, {Edwin Alberto}",
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First Fossil of Rhinoclemmys Fitzinger, 1826 (Cryptodira, Geoemydidae) East of the Andes. / Cadena Rueda, Edwin Alberto.

En: South American Journal of Herpetology, Vol. 14, N.º 1, 15.04.2019, p. 19.

Resultado de la investigación: Contribución a RevistaArtículo

TY - JOUR

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AU - Cadena Rueda, Edwin Alberto

PY - 2019/4/15

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AB - We describe the first undisputable fossil of Rhinoclemmys (Cryptodira, Geoemydidae) east of the Andes, represented by an isolated nuchal bone found in one of the most important paleontological sites with association of fauna and humans (Muaco site, western Venezuela) from the Late Pleistocene of the southern Caribbean. The nuchal is complete and slightly wider (4.8 cm) than long (4.2 cm), preserving well- defined sulci of the cervical, vertebral 1, marginal 1, and pleural 1. Comparisons with extant and fossil specimens of Rhinoclemmys allow us to attribute this nuchal to Rhinoclemmys, albeit as an indeterminate species. The occurrence of Rhinoclemmys in the southern Paraguaná Peninsula indicates that during the Late Pleistocene this region had environmental conditions that allowed the survival of these freshwater- terrestrially adapted reptiles, particularly of “paleo-springs” inside a semi-arid region

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JO - South American Journal of Herpetology

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