Ornithischia

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Ornithischia

a large herbivorous order of dinosaurs, most of which were bipedal. They were characterized by a bird-like pelvic girdle, which possessed a postpubic bone stretching on each side below the ischium.
References in periodicals archive ?
For ornithischians, famous members included the Stegosaurus and Triceratops.
2007): Notes and review of the ornithischian dinosaurs of Portugal.
Olsen and Baird (1986) argued on phylogenetic grounds that Atreipus was made by either an ornithischian or a member of the sister-group of Dinosauria, which we would now term a non-dinosaurian dinosauromorph.
In recent years, scientists have found evidence of bristle- and quill-like strands--perhaps early versions of feathers--that speckled the hides of ornithischian dinosaurs.
When they analyzed the tracks, the researchers determined that ornithischians changed their way of walking as surface conditions changed.
Second, this Maastrichtian Marilia Formation fauna, when considered in the light of the Late Cretaceous discoveries, was different by the lack of ornithischian records in Brazil, but which are found in Argentina.
It means that feathers may have evolved, or developed over a long period of time, from structures on an ancestor of both saurichian and ornithischian dinosaurs.
Consequently, the ornithischians at Lo Hueco are presently restricted to the basal iguanodontian Rhabdodontidae.
The most common tetrapod fossils are teeth referable to small ornithischians and possible theropods, followed by bones and osteoderms of Protosuchus, and bones of cynodont therapsids including a tritylodontid dentary and limb bones.