FIRST FOSSIL RECORD OF PLIOMETANASTES SP. (MAMMALIA, XENARTHRA, MEGALONYCHIDAE) FROM THE UPPER MIOCENE OF COSTA RICA, CENTRAL AMERICA. A NEW CLUE TO UNDERSTAND THE PRE-GABI

Two lower molar teeth and a unique postcranial remain of Pliometanastes cf. P. protistus Hirschfeld &Webb, 1968, are described from the San Gerardo de Limoncito Locality (Early Hemphillian) in the Curré Formationnear of the town of San Vito, Southern Costa Rica.This found changes our vision...

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Detalles Bibliográficos
Autores: Laurito, César A., Valerio, Ana L.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2011
País:Costa Rica
Institución:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Idioma:español
OAI Identifier:oai:portal.ucr.ac.cr:article/6492
Acceso en línea:https://revistas.ucr.ac.cr/index.php/geologica/article/view/6492
Access Level:acceso abierto
Palabra clave:mammalia
xenarthra
megalonychidae
pliometanastes
upper miocene
costa rica
gabi
mioceno superior
Descripción
Sumario:Two lower molar teeth and a unique postcranial remain of Pliometanastes cf. P. protistus Hirschfeld &Webb, 1968, are described from the San Gerardo de Limoncito Locality (Early Hemphillian) in the Curré Formationnear of the town of San Vito, Southern Costa Rica.This found changes our vision about the route of dispersion of the earliest South American mammals that reachedNorth America and confirms the Costa Rican-Panama Island Arc like the most effective path of migration in spite ofthe relatively broad ocean gaps.