| 释义 | genus ProtohippusThesaurus
 | Noun | 1.genus Protohippus - a genus of Equidaemammal genus - a genus of mammalsEquidae, family Equidae - horses; asses; zebras; extinct animalsprotohippus - Pliocene horse approaching donkeys in size | 
 genus Protohippus
 Words related to genus Protohippusnoun a genus of EquidaeRelated Wordsmammal genusEquidaefamily Equidaeprotohippus
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