viernes, noviembre 28, 2008

Un nuevo mamífero de la Península Ibérica en el tiempo de los dinosaurios

Investigadores del Grupo Aragosaurus de la Universidad de Zaragoza (Ainara Badiola, José Ignacio Canudo y Gloria Cuenca-Bescós) acaban de describir un nuevo género de mamíferos del Cretácico Inferior llamado Cantalera abadi. Es un taxón que por el momento no se ha encontrado en otra parte del mundo y podría ser endémico de la Península Ibérica. Vivió hace unos 120 millones de años por lo que coincidió con los dinosaurios, aunque claro era mucho más pequeño.

Los mamíferos del tiempo de los dinosaurios son fósiles escasos y raros. En algunos intervalos temporales como el Cretácico Inferior se encuentran en muy pocos lugares del mundo, y uno de ellos en la Cordillera Ibérica. Por el momento, solo hemos encontrado dientes aislados, pero son tan diagnósticos que permiten describir una nueva especies como el multituberculado Cantalera.

Más información en Aragosaurus

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