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Herrerasaurus, from the Triassic of Argentina, was one of the
earliest of the theropod dinosaurs. Recent discoveries by expeditions
to Argentina led by Paleontologist Paul Sereno have uncovered the
remains of several specimens which made this skeletal reconstruction
possible.
Plateosaurus
was one of the earliest of dinosaurs to have had a worldwide distribution
in the Triassic Period. It is ancestral to the long necked gigantic
sauropods which dominated the world during the Jurassic.
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