Ornithischian Dinosaur Online

: Inset tooth rows that formed cheeks, allowing them to hold and grind food efficiently.

: A backward-pointing pubis bone, parallel to the ischium, likely evolved to accommodate a larger digestive system for processing plants. ornithischian dinosaur

: Bony tendons that crisscrossed the vertebrae to stiffen the tail and back for stability. Hall of Ornithischian Dinosaurs | AMNH : Inset tooth rows that formed cheeks, allowing

Ornithischian dinosaurs , or "bird-hipped" dinosaurs, represent one of the two primary orders of dinosaurs. Despite the name, they are not the direct ancestors of modern birds—those actually evolved from the "lizard-hipped" saurischian group. This diverse group was almost exclusively herbivorous and is famous for its elaborate physical adaptations, including horns, armor, and complex chewing mechanisms. Key Defining Features parallel to the ischium