| 释义 | coe·lur·o·sau·ria \ ̷ ̷ˌ ̷ ̷ ̷ ̷ˈsȯrēə\ noun plural
 Usage: capitalized
 Etymology: New Latin, from coel- + ur- + -sauria
 : a subdivision of Theropoda (order Saurischia) comprising a number of small primitive generalized bipedal dinosaurs of the Upper Triassic, Jurassic, and Cretaceous
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