
(from the article `Life Sciences`) ...theropod (a bipedal flesh-eating dinosaur) from a site in southern Germany was one of the best-preserved, most-complete nonavian predatory ... The coelurosaurs (`hollow-tailed reptiles`) include generally small to medium-size theropods, though the recent inclusion of tyrannosaurs would see...
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http://www.britannica.com/eb/a-z/c/105

(pronounced SEEL-oh-ro-SAWR) Coelurosaurs are a group of theropods that are closely related to birds (and includes the birds). These bipedal carnivores were relatively small, and included T. rex , Deinonychus , and Velociraptor .
Found on
http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
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