Meaning of ORDER ORNITHISCHIA

WordNet Dictionary
	Definition:		[n]  extinct terrestrial reptiles having birdlike pelvises: armored dinosaurs (thyreophorans); bone-headed and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)
	Synonyms:		Ornithischia
	See Also:		animal order, Archosauria, euronithopod, Euronithopoda, genus Pisanosaurus, genus Staurikosaurus, Marginocephalia, marginocephalian, ornithischian, ornithischian dinosaur, Ornithopoda, subclass Archosauria, suborder Euronithopoda, suborder Marginocephalia, suborder Ornithopoda, suborder Thyreophora, Thyreophora, thyreophoran