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coelurosaur
(redirected from Coelurosaurs)

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coelurosaur [sɪˈljʊərəˌsɔː]
n
(Earth Sciences / Palaeontology) any of various small to very large bipedal carnivorous saurischian dinosaurs belonging to the suborder Theropoda, active in the Triassic and Cretaceous periods; Tyrannosaurus was a coelurosaur, and birds are thought to have evolved from small coelurosaurs
[from New Latin, from Greek koilos hollow + ouros tail + -saur]
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Now, it appears that tyrannosaurs evolved much earlier than that, from a group of small, meat-eating dinos called coelurosaurs.
A dino king's ancestor by Sohn, Emily / Science News for Kids
rex and its cousins evolved much earlier, from a line of small, meat-eating coelurosaurs.
Ancestor of kings: early progenitor of T. rex had a crest by Perkins, S. / Science News
Many paleontologists speculate that modern-day birds emerged from Coelurosaur rootstock, an idea bolstered by recent finds in China of early Cretaceous fossils of what were apparently feathered Coelurosaurs (SN: 4/28/01, p.
Two new dinosaurs chiseled from fossil gap by Schubert, C. / Science News
 
 
 
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