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Marginocephs

Ornithopods

Pteroductids

Sauropods

Stegosaurids

Therapods

Ornithopods

Some members of the Suborder Ornithopoda, otherwise known as the Ornithopods. Names in bold type refer to species extant in the middle period of the Mesozoic Era, which is rather more familiar as the Jurassic Period. Otherwise the creatures lived in the time periods noted.
Anatosaurus / Cretaceous

Corythosaurus / Cretaceous

Edmontosaurus / Cretaceous

Hadrosaurus / Cretaceous

Heterodontosaurus

Iguanadon / Cretaceous

Ouranosaurus / Cretaceous

Parasaurolophus / Cretaceous

Saurolophus / Cretaceous

Ornithpods

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