单词 | tetanuran |
释义 | tet·a·nur·an ![]() n. Any of various theropod dinosaurs of the group Tetanurae of the Jurassic and Cretaceous Periods, characterized by a stiff tail and large grasping hands with three digits, and including the carnosaurs and coelurosaurs. [From New Latin Tetanūrae, group name : Greek tetanos, rigid; see ten- in the Appendix of Indo-European roots + Greek ourā, tail; see ors- in the Appendix of Indo-European roots.] tet′a·nuran adj. |
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