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''Pliopedia pacifica'' is an extinct species of walrus found in what is now Central Valley, California, which lived during the late Miocene. It was an amphibious carnivore. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pliopedia」の詳細全文を読む スポンサード リンク
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