Many features of early and modern birds first appeared in theropod dinosaurs. Feathers, wishbones, modified "flapping" forelimbs, and hollow bones were found in Coelurosaurus.Coelurosaurs are theropod dinosaurs that include Tyrannosaurus rex and Dromaeosaurus.The latter includes members su...
Introduction: As a behemoth that has disappeared from the earth for hundreds of millions of years, dinosaurs, the former overlord of the earth, have long been known to people, but do you know their classification? Now join the special group to learn more about the types of dinosaurs!...
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