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The Gashatan is an Asian Land Mammal Age, a large biozone which corresponds to ages between 58.7—55.8 Ma for finds of fossil mammals in Asia. This zone lies within the Thanetian stage of the Paleocene series. It precedes the Bumbanian.〔(Paleo Database: Gashatan )〕 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「Gashatan」の詳細全文を読む スポンサード リンク
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