Ictidosauria

plural noun

Ic·​tido·​sau·​ria

(ˌ)ikˌtidəˈsȯrēə,

ˌiktədōˈs-

: an order of Reptilia comprising a number of imperfectly known Upper Triassic forms intermediate in character between the therapsids and the most primitive true mammals compare microconodon

Word History

Etymology

New Latin, from Greek iktid-, iktis yellow-breasted marten + New Latin -o- + -sauria

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