Eupodophis descouensi 真足蛇 ; 一种远古海蛇
Eupodophis had a simplistic pelvis and straight, slender femurs, the researchers found.
研究人员发现，真足蛇有着极为简单的骨盆和笔直、细长的股骨。
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But Dr Houssaye says Eupodophis descouensi of itself cannot resolve such arguments.
BBC: Studying how snakes got legless
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