Definition of Order ornithischia

1. Noun. Extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods).

Exact synonyms: Ornithischia
Generic synonyms: Animal Order
Group relationships: Archosauria, Subclass Archosauria
Member holonyms: Ornithischian, Ornithischian Dinosaur, Genus Pisanosaurus, Genus Staurikosaurus, Suborder Thyreophora, Thyreophora, Thyreophoran, Marginocephalia, Marginocephalian, Suborder Marginocephalia, Euronithopod, Euronithopoda, Ornithopoda, Suborder Euronithopoda, Suborder Ornithopoda

Lexicographical Neighbors of Order Ornithischia

order Myxobacteria
order Myxobacteriales
order Myxosporidia
order Naiadales
order Neuroptera
order Nidulariales
order Notostraca
order Nudibranchia
order Octopoda
order Odonata
order Oleales
order Ophioglossales
order Opiliones
order Opuntiales
order Orchidales
order Ornithischia
order Orthoptera
order Ostariophysi
order Ostracodermi
order Palmales
order Pandanales
order Papaverales
order Parietales
order Pectinibranchia
order Pediculati
order Pedipalpi
order Pelecaniformes
order Pelycosauria
order Perciformes

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