2013年6月26日 星期三

Burrow Fossils, Amphibian, Mammalian Ancestor, 洞穴化石, 兩棲動物, 哺乳動物的祖先

Using synchrotron imaging, scientists discovered an ancient "odd couple," shown here, with a mammal forerunner nestled with a primary aquatic amphibian in a burrow some 250 million years ago.
(Bild: Fernandez et al. / PLoS ONE)
wissenschaft.de - Urzeit-Wohngemeinschaft http://www.wissenschaft.de/wissenschaft/news/317313.html
Burrow Fossils Show Amphibian, Mammalian Ancestor Shared Home 250 Million Years Ago http://www.huffingtonpost.com/2013/06/25/burrow-fossils-amphibian-reptile-shared-home_n_3496070.html

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