The Dino Directory

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Name A-Z

Select a letter to view dinosaurs whose name starts with that letter:

9 dinosaurs beginning with 'O'

NAME (GENUS) TAXONOMY AGE BODY SHAPE
Orodromeus Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda Late Cretaceous Euornithopod
Oryctodromeus Dinosauria, Ornithischia Late Cretaceous Euornithopod
Othnielia Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda Late Jurassic Euornithopod
Ouranosaurus Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda, Iguanadontia, Euiguanadontia, Dryomorpha, Ankylopollexia, Iguanodontoidea Early Cretaceous Euornithopod
Ornithomimus Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Ornithomimosauria, Ornithomimidae Late Cretaceous Ornithomimosaur
Omeisaurus Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda Mid Jurassic Sauropod
Opisthocoelicaudia Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda, Neosauropoda, Macronaria, Camarasauromorpha, Titanosauriformes, Titanosauria, Lithostrotia, Saltasauridae Late Cretaceous Sauropod
Ornitholestes Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria Late Jurassic Small theropod
Oviraptor Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Oviraptorosauria, Caenagnathoidea, Oviraptoridae, Oviraptorinae Late Cretaceous Small theropod
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