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Casamayoran The Casamayoran age is a period of geologic time (54.0—48.0 Ma) within the Eocene epoch of the Paleogene used more specifically with South American Land Mammal Ages. It follows the Riochican and precedes the Mustersan age.〔(Paleo Database: Casamayoran )〕 Several astrapotherian mammals are known from this period, such as ''Antarctodon'' and ''Albertogaudrya'' from Antarctica and Argentina respectively. ''Albertogaudrya'' and ''Scaglia'' were the size of a sheep or a small tapir, hence among the larger mammals in South America at this time. ==References==
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「Casamayoran」の詳細全文を読む
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