6/10 _Stegosaurs_ or _Armored Dinosaurs_. Quadrupedal dinosaurs with elephantine feet, short neck, small head, body and tail armored with massive bony plates and often with large bony spines. Teeth in a single row, like those of Iguanodonts. _Stegosaurus_ of the Upper Jurassic, _Ankylosaurus_ of the Upper Cretacic. 8 .-- Hind Feet of Dinosaurs, to show the three chief types (Theropoda, Orthopoda, Sauropoda).] 4. |