Heterodontosauridae (`different-toothed lizards`) is a family of early ornithischian dinosaurs that were likely among the most basal (primitive) members of the group. Although their fossils are rare, they lived around the globe beginning in the late Triassic Period, and a few late-surviving species persisted into the Early Cretaceous. Heterodont.....
Found on
http://en.wikipedia.org/wiki/Heterodontosauridae
(from the article `ornithopod`) ...Period (227 million to 65 million years ago) and were one of the most successful and enduring dinosaur lineages. Ornithopoda consisted of several ... In heterodontosaurs the cheek teeth were crowded together into long rows and set inward slightly from the outer cheek surface. The inset, which ... [2...
Found on
http://www.britannica.com/eb/a-z/h/44
No exact match found.
