该新属的牙齿形态显示了其树栖松鼠的特征，而且可以归入甚为稀有的巨松鼠族。

Characters of the latter's dentition clearly demonstrate that the new-comer of ratufin is a tree squirrel;

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该新属的牙齿形态显示了其树栖松鼠的特征，而且可以归入甚为稀有的巨松鼠族。

Characters of the latter's dentition clearly demonstrate that the new-comer of ratufin is a tree squirrel;

youdao