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• Image Gallery
Thyreophorans | Sauropods | Theropods | Ornithopods | Marginocephalians
Ornithopod Dinosaurs
Meet the “duck-bills” and their close relatives, the ornithopod (or-NITH-uh-pod) dinosaurs. These plant-eating dinosaurs were bipedal (they walked on two legs)—though many could also walk on all fours. Ornithopods are the largest and most diverse dinosaur group.
The word “ornithopod” comes from the Greek ornis (“bird”) and poda (“foot”). With three main toes on each foot, bipedal ornithopods left birdlike tracks. They ranged from three to 23 feet tall, and from six to 65 feet long.
Marginocephalian Dinosaurs
Meet the marginocephalians (MAR-jin-o-kuh-FAIL-ee-unz), a group of dinosaurs that had a frill of bone at the backs of their skulls, extending over their necks. These plant-eaters ranged from two-and-a-half to 30 feet in size.
The word “marginocephalian” comes from the Latin margin (“margin”) and the Greek kephale (“head”).
Continue to Reptile Diversity Images. >>
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