A 248-million-year-old fossil from the Mesozoic era is teaching scientists more about reptiles of that time. The ichthyosaur is one of the oldest species of marine reptiles, and the fossil shatters previous ideas of how they gave birth and whether or not they gave birth in land or in water. The baby ichthyosaur is shown emerging head first, a land mammal trait. Live birth in reptiles is a trait that has evolved several times, but not much was previously known about marine reptiles. Now, this fossil is filling in the gaps.
Kim Horcher, Tim Frisch, and Dave Rubin (Rubin Report) discuss the findings.
Read more here: http://news.nationalgeographic.com/ne…
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