BSC-1005 Lecture Notes - Middle Triassic, Neuroanatomy, Stegosaurus
Document Summary
These constitute about half of all dinosaurs and are composed solely of herbivores: all ornithischians can be identified by . Osteoderms, like that on the backs of alligators. Early forms like scuttelosaurus were small and still bipedal. Plates and spikes along or beside the backbone: stegosaurs are the most commonly known members of this group. The great stegosaurus plate debate: for over a century, it has been debated how the plates of. Line them all along the back, that is: several other renditions developed. Plates all over, on their sides, and many more spikes. All plates paired and in upright rows. Variable movement of plates: finally, in the 1980s, stephen czerkas thought he had discovered what the plates had really looked like. Some early finds showed they were staggered, which had somehow been ignored. Flappable for scaring away allosaurs no way!