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Study sheds light on evolution of earliest dinosaurs – Mirage News
Geological evidence suggests the known dinosaur groups diverged early on, supporting the traditional dinosaur family tree. …
Geological evidence suggests the known dinosaur groups diverged early on, supporting the traditional dinosaur family tree.
The classic dinosaur family tree has two subdivisions of early dinosaurs at its base: the Ornithischians, or bird-hipped dinosaurs, and the Saurischians, or lizard-hipped dinosaurs. In this photo-illustration, a drawing of a bird-hipped Ornithiscian is surrounded by fossils of a Pisanosaurus, a small bipedal dinosaur whose fossils have been analyzed in a new study.
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