Published May 24, 2013 at 504 × 540 in Small, Speedy Plant-Eater Extends Knowledge of Dinosaur Ecosystems Figure 3. Photograph and interpretive drawing of the lower jaw, as well as a complete tooth, of one of the small ornithopods described in the study. Human (in grey) for scale. Illustration by C. Brown. (Visited 12 times, 1 visits today)