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Stegosaurs are herbivorous dinosaurs, characterized most prominently by a series of plates and spines that ornament the back and tail.  Familiar members of this group include Stegosaurus, Kentrosaurus, and Tuojiangosaurus.  Fossil remains of stegosaurs have been found in Jurassic and Early Cretaceous rocks of North America, Asia, Africa, and Europe.  Although a major component of Late Jurassic ecosystems, stegosaurs apparently went extinct by the Early Cretaceous and left no modern descendants.  The anatomy of stegosaurs is highly specialized, and has been the focus of much biomechanical and palaeoecological research.

Author: Stephen Brusatte
Last updated: 01/11/2006
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