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Definition of Ornithischia
1. Noun. Extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods).
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 Ornithischia
Literary usage of Ornithischia
Below you will find example usage of this term as found in modern and/or classical literature:
1. Organic Evolution by Richard Swann Lull (1917)
"... dinosaur (ornithischia), Campto- saurus; and (B) carnivorous dinosaur (Saurischia),
Allosaurus. One- twelfth natural size. a. acetabulum or hip socket; ..."
2. Vertebrate Zoölogy by Horatio Hackett Newman (1920)
"The ornithischia.—While both of the groups of dinosaurs just described are alike
in having the typical reptilian pelvis and are therefore grouped together ..."
3. The Encyclopedia Americana: A Library of Universal Knowledge (1918)
"... and 'tax'wv, hip joint) and ornithischia (Gr. ty-wc, bird), because of the
basic structure of their pelvis, which in the one case resembles that of the ..."
4. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1894)
"... type approximates to the Saurischia and Mammalia, just as the ornithischia
approximate to birds in the same parts of the skeleton. ..."
5. The Origin and Evolution of Life: On the Theory of Action, Reaction and by Henry Fairfield Osborn (1917)
"... THE ORIGIN AND EVOLUTION OF LIFE (ornithischia). The small Triassic ancestors
of this great group of herbivorous, ornithischian dinosaurs also gave rise ..."
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