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Paleontologia

ĦEmbrión fósil de pterosaurio!

Acaban de publicar* en Nature el hallazgo del primer embrión fósil de pterosaurio. Un espécimen "perfecto" según el texto de Science Update (incluyen una foto pequeñita), e "impresionante" según el resumen del artículo original.

Procede, cómo no, de la prodigiosa región china de Liaoning.

El embrión está bien desarrollado, lo que indica que el "pollo" podía haberse independizado de sus padres poco después de salir... del huevo.

Efectivamente, el esqueleto está dentro de un huevo. Nunca hasta ahora se había confirmado que los pterosaurios fueran ovíparos.

:,o}
_________
*Wang, X. & Zhou, Z. Palaeontology: Pterosaur embryo from the Early Cretaceous. Nature,429, 623, doi:10.1038/429621a (2004)

2004-06-10 | Haz un comentario (hay 14)


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De: mebaraptor Fecha: 2009-02-11 06:21

ĦĦĦSoy el primero, que bien!!!

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