Definitions for ornithischia
Overview of noun ornithischia
The noun ornithischia has 1 senses? (no senses from tagged texts)
1. Ornithischia, order Ornithischia
(extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods))






