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Stegosaurus: The Dinosaur With the Smallest Brain (Dinosaur Discovery Era)
Stegosaurus The Dinosaur With the Smallest Brain - Dinosaur Discovery Era Author:Elizabeth J. Sandell, Marjorie L. Oelerich, Howard Schroeder An introduction to the physical characteristics, habits, and natural environment of the plant-eating dinosaur who measured between twenty and thirty feet but whose brain was about the size of a walnut shell.