The first dinosaurs appeared in the late Triassic. Early dinosaurs include Eoraptor, Herrerasaurus, Staurikosaurus, and Coelophysis. These creatures were small, bipedal , and carnivorous . By the end of the Triassic, dinosaurs had become the most common land vertebrates, along with the pterosaurs, crocodiles, and crocodile-like creatures known as phytosaurs.
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