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

Edwin Alberto Cadena Rueda

doi:10.2994/SAJH-D-17-00099.1

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

Título traducido de la contribución: Primer fósil de Rhinoclemmys Fitzinger, 1826 (Cryptodira, Geoemydidade) Este de los Andes

Edwin Alberto Cadena Rueda

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

2 Citas (Scopus)

Resumen

Describimos el primer fósil indiscutible de Rhinoclemmys (Cryptodira, Geoemydidae) al este de los Andes, representado por un hueso nucal aislado que se encuentra en uno de los sitios paleontológicos más importantes con asociación de fauna y humanos (sitio de Muaco, Venezuela occidental) del Pleistoceno tardío del sur del caribe. La nuca es completa y ligeramente más ancha (4,8 cm) que larga (4,2 cm), conservando surcos bien definidos de cervical, vertebral 1, marginal 1 y pleural 1. Las comparaciones con especímenes fósiles y existentes de Rhinoclemmys nos permiten atribuir esto Nucal a Rhinoclemmys, aunque como una especie indeterminada. La ocurrencia de Rhinoclemmys en el sur de la península de Paraguaná indica que durante el Pleistoceno tardío esta región tenía condiciones ambientales que permitieron la supervivencia de estos reptiles de agua dulce y terrestre, en particular de "paleo manantiales" dentro de una región semiárida

Título traducido de la contribución	Primer fósil de Rhinoclemmys Fitzinger, 1826 (Cryptodira, Geoemydidade) Este de los Andes
Idioma original	Inglés estadounidense
Páginas (desde-hasta)	19
Número de páginas	23
Publicación	South American Journal of Herpetology
Volumen	14
N.º	1
DOI	https://doi.org/10.2994/SAJH-D-17-00099.1
Estado	Publicada - 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",

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N2 - 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

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

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