Search Result：order ornithischia
order ornithischia 
(TTS Sound)
(TTS Sound)Overview of noun order_ornithischia
The noun order ornithischia has 1 sense
- Ornithischia, order Ornithischia -- (extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods))