Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun order_ornithischia

1 sense of order ornithischia

Sense 1
Ornithischia, order Ornithischia -- (extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods))
       => animal order -- (the order of animals)