单词	Tritylodon
释义	Tritylodon noun Tri·​tyl·​odon trīˈtiləˌdän : a genus of extinct vertebrates from the lower Mesozoic of Africa and Europe in many respects intermediate between reptiles and mammals and formerly classed as primitive mammals but now usually placed among the reptiles forming with a few related forms the family Tritylodontidae Word History Etymology New Latin, from tri- + tyl- + -odon
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