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