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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