Ornithischia

plural noun
Or·​nith·​is·​chia | \ ˌȯrnə-ˈthi-skē-ə How to pronounce Ornithischia (audio) \

Definition of Ornithischia

: an order of archosaurian reptiles comprising the ornithischians

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History and Etymology for Ornithischia

New Latin, from ornith- + -ischia (from Greek ischion hip joint)

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