Synonyms and Antonyms for ornithischia | Synonym.com

Synonyms and Antonyms for ornithischia

1. Ornithischia (n.)

extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)

Synonyms: