Clade placed with the Dinosauria that is one of the two defining all dinosaurs. Characterized by a hip arrangement that has the pubis together with the ischium and pointing posteriorly.

An order of the dinosaurs.

extinct terrestrial reptiles having birdlike pelvises: armored dinosaurs (thyreophorans); bone-headed and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)

a science word that means "bird-hip." It refers to the group of dinosaurs that includes the ankylosaurs, ornithopods, stegosaurs, and ceratopsians.

"bird hipped." A branch of the Dinosauria that contains all of the herbivorous dinosaurs with the exception of the Sauropods.

'Bird hipped'. One of the main divisions of dinosaurs, in which two of the bones in the hip pint backward, as in birds. See also classification of the dinosaurs.