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simocetus 添加释义

英英释义

Simocetus

  • abstract: Simocetus is an extinct genus of toothed whale that lived 30 million years ago, in the Oligocene period. It is known from a single fossil, a skull, found in marine siltstone deposits of the Alsea Formation on the banks of Oregon's Yaquina River in 1977 by fossil hunter of the region, Douglas Emlong.

以上来源于: WordNet

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