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Sivacanthion : ウィキペディア英語版 | Sivacanthion
''Sivacanthion'' is an extinct genus of rodent from the Miocene of Pakistan. The build of ''Sivacanthion'' is very like that of a modern Old World porcupine, although details of the anatomy suggest that it is not a direct ancestor but a side branch of the family tree. The spines are modified hairs that act as a defensive mechanism. It belongs to a small group that are known in the Indian sub-continent - all the other phiomorphs are restricted to Africa. ==Source==
* World Encyclopedia of Dinosaurs & Prehistoric Creatures - Dougal Dixon
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「Sivacanthion」の詳細全文を読む
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