ornithischian

ornithischian dinosaurs were primarily herbivorous.

the ornithischian group includes many well-known species.

scientists study ornithischian fossils to understand their evolution.

some ornithischian dinosaurs had impressive armor for protection.

ornithischian dinosaurs roamed the earth during the mesozoic era.

many ornithischian species exhibited unique adaptations.

ornithischians are characterized by their beak-like mouths.

research on ornithischian behavior is ongoing.

some ornithischians traveled in herds for safety.

ornithischian dinosaurs varied greatly in size and shape.