What is the meaning of order ornithischia?

noun

  • Extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians. ; duck-billed dinosaurs (euronithopods)).
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). order ornithischia. Retrieved September 21, 2026, from http://smartdefine.org/order_ornithischia/definitions/1299149
ChicagoWordNet. 2010. "order ornithischia" http://smartdefine.org/order_ornithischia/definitions/1299149 (accessed September 21, 2026).
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MLAWordNet. "order ornithischia" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/order_ornithischia/definitions/1299149>