Beaked, bipedal and facultatively quadrupedal herbivores with complex multi-layered dental batteries.
OrnithopodaCorythosaurus casuarius Brown, 1914
A hollow-crested hadrosaurid from Alberta possessing a tall, semicircular helmet crest for sound resonance.
OrnithopodaDryosaurus altus Marsh, 1878
A swift, bipedal ornithopod with large eyes and stiffened tail that dashed across Late Jurassic North America.
OrnithopodaEdmontosaurus regalis Lambe, 1917
A colossal duck-billed hadrosaurid that was the primary herbivore of Late Cretaceous North America.
OrnithopodaIguanodon bernissartensis Boulenger, 1881
A foundational Early Cretaceous ornithopod possessing a specialized conical thumb spike and facultative quadrupedal gait.
OrnithopodaMaiasaura peeblesorum Horner & Makela, 1979
The 'good mother lizard', the first dinosaur proven to provide intensive parental care to its hatched young.
OrnithopodaMuttaburrasaurus langdoni Bartholomai & Molnar, 1981
A large Australian ornithopod equipped with a prominent bulbous, hollow nasal muzzle for vocal displays.
OrnithopodaOuranosaurus nigeriensis Taquet, 1976
The 'brave lizard', an unusual African iguanodontian bearing a high dorsal sail and camel-like fat hump.
OrnithopodaParasaurolophus walkeri Parks, 1922
A crested hadrosaurid dinosaur renowned for its elongated, hollow cranial crest used for acoustic resonance and visual signaling.
OrnithopodaTenontosaurus tilletti Ostrom, 1970
A muscular Early Cretaceous ornithopod with an exceptionally long, deep tail, famous as the prey of Deinonychus.