An order of Dinosauria containing the Iguanodon along with other species which have the bones of pelvis arranged just like those of a bird. It really is practically equal to the Ornithopoda of various other article authors. Contrasted with Saurischia.
extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)
Definition for "ornithischia"
An order of Dinosauria containing the Iguanodon along…