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光罩矽利康史前化石揭「像海豹又像可」可到人

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又雄，但的史前祖先，可能出乎意料地怪、型也不大。在澳洲海上偶然的2500年前化石，或有助解演化之，研究人此的新物命名Janjucetus dullardi，有著大大的眼睛尖牙，相似、海豹，甚至有可怪奇生物的模。

今日的不同，科家的幼化石，估小到可以放一人床中，但尖的牙、如一的口鼻以及的下，在酷的海洋中，就是了捕而存在。

包含耳骨、牙等的部分骨，2019年在澳洲多利州海，Janjucetus dullardi是迄今的第四「哺乳」（mammalodontids）物，信可到三公尺，是今大型的早期分支祖先。

事上，能保存下足以辨的化石得，期望史前如何食、移一步了解，研究古代如何暖的海洋，也有助研究今海洋生物如何候。

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