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Rhynchippus
''Rhynchippus'' is an extinct genus of notoungulate mammal. ''Rhynchippus'' was about in length and weighted up to 120 kg, with a deep body and three clawed toes on each foot.〔 D. Patterson, Bruce (2012) ''Bones, Clones, and Biomes: The History and Geography of Recent Neotropical Mammals'' p.83〕 Although its teeth were extremely similar to those of horses or rhinos, ''Rhynchippus'' was actually a relative of ''Toxodon'', having developed teeth suitable for grazing through convergent evolution. Unlike its relatives, ''Rhynchippus'' had no large tusks; they were the same size and shape as the incisors. Enamel on the molars allowed it to chew tough food. ==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「Rhynchippus」の詳細全文を読む
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