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Josephoartigasia monesi : ウィキペディア英語版 | Josephoartigasia monesi
''Josephoartigasia monesi'', an extinct species of South American caviomorph rodent, is the largest rodent known, and lived from approximately 4 to 2 million years ago during the Pliocene to early Pleistocene.〔〔According to , recent studies indicate that some strata of the San José Formation in which the specimen was found are Pleistocene, instead of Pliocene as was traditionally assumed. In any case, they do give a date range of 4–2 Mya.〕 The species is one of two in the ''Josephoartigasia'' genus, the other being ''J. magna''.〔 ''J. monesi'' is sometimes called the giant pacarana, after its closest living relative, the pacarana (''Dinomys branickii'') in the family Dinomyidae.〔 The species may have weighed a ton, considerably larger than its closest living relative, the pacarana.〔 ==Description==
The skull of the holotype is long, and the remaining incisor is more than in length. The total estimated body length is , with a height of .
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「Josephoartigasia monesi」の詳細全文を読む
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