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order ornithischia
 
Noun order ornithischia has 1 sense
  1. Ornithischia, order Ornithischia - extinct terrestrial reptiles having birdlike pelvises: armored dinosaurs (thyreophorans); bone-headed and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)
    --1 is a kind of animal order
    --1 is a member of Archosauria, subclass Archosauria
    --1 has members:
     ornithischian, ornithischian dinosaur; genus Pisanosaurus; genus Staurikosaurus; Thyreophora, suborder Thyreophora, thyreophoran; Marginocephalia, suborder Marginocephalia, marginocephalian; Euronithopoda, suborder Euronithopoda, euronithopod, Ornithopoda, suborder Ornithopoda
order of saint benedict order of the day order of the purple heart 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 paper order parietales

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