Oryctodromeus (Digging Runner) Phonetic Oh-rik-toe-dro-mee-us Named By Varricchio et al. – 2007 Diet Herbivore Size Estimated 2 meters long Type of Dinosaur Euornithopod Type Species O. cubicularis (type) Found in USA, Idaho – Wayan Formation, Montana – Blackleaf Formation When it Lived Late Cretaceous, 95-90 million years ago Oryctodromeus Facts Oryctodromeus, which means “digging runner,” […]
Orodromeus (Mountain runner) Phonetic Or-o-dro-me-us Named By Jack R. Horner & David B. Weishampel - 1988 Diet Herbivore Size Estimated 2 meters long Type of Dinosaur Euornithopod Type Species D. makelai (type) Found in USA, Montana - Two Medicine Formation When it Lived Late Cretaceous, 77-75 million years ago Orodromeus Facts Orodromeus, which means “mountain
Ornithomimus (Bird mimic) Phonetic Or-nif-oh-mime-us Named By Othniel Charles Marsh - 1890 Diet Possible Omnivore Size Estimated up to 4.5 meters long Type of Dinosaur Large Theropod Type Species O. velox (type), O. edmontonicus Found in USA and Canada When it Lived Late Cretaceous, 75 million years ago Ornithomimus Facts Ornithomimus, which means “bird mimic,”
Ornitholestes (Bird robber) Phonetic Or-nif-oh-less-tees Named By Henry Fairfield Osborn - 1903 Diet Carnivore Size Estimated 2 meters long Type of Dinosaur Small Theropod Type Species O. hermanni (type) Found in USA - Morrison Formation When it Lived Late Jurassic, 150 million years ago Ornitholestes Facts Ornitholestes is a small theropod dinosaur that lived during
Opisthocoelicaudia (Posterior cavity tail) Phonetic Oh-pis-tho-see-lih-caw-dee-ah Named By Borsuk-Białynicka - 1977 Diet Herbivore Size Estimated 11-12 meters long Type of Dinosaur Sauropod Type Species O. skarzynskii (type) Found in Mongolia - Nemegt Formation When it Lived Late Cretaceous, 80-70 million years ago Opisthocoelicaudia Facts Opisthocoelicaudia is a genus of sauropod dinosaur that lived during the
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Omeisaurus (Omei lizard - after Omeishan Mountain) Phonetic O-may-sore-us Named By C. C. Young - 1939 Diet Herbivore Size Estimated up to 20 meters long Type of Dinosaur Sauropod Type Species O. junghsiensis (type), O. changshouensis, O. fuxiensis, O. jiaoi, O. luoquanensis, O. maoianus, O. puxiani, O. tianfuensis Found in China - Sichuan Province -
Nqwebasaurus (Nqweba lizard) Phonetic kwe-bah-sore-us Named By W. J. de Klerk, C. A. Forster, S. D. Sampson & C. F. Ross - 2000 Diet Carnivore/Possibly Omnivore Size Estimated 1 meters long Type of Dinosaur Small Theropod Type Species N. thwazi (type) Found in South Africa - Kirkwood Formation When it Lived Early Jurassic, 125 million
Nothronychus (slothful claw) Phonetic Nof-ron-e-kus Named By J. I. Kirkland & D. G. Wolfe - 2001 Diet Herbivore Size Estimated 1.5-2 meters long Type of Dinosaur Large Theropod Type Species N. mckinleyi (type), N. graffami Found in USA, New Mexico - Moreno Hill Formation, and Utah - Tropic Shale Formation When it Lived Early Cretaceous,
Nomingia (named after the region it was discovered in) Phonetic No-min-ge-ah Named By R. Barsbold, H. Osmólska, M. Watabe, P. J. Currie & K. Tsogtbaatar - 2000 Diet Omnivore Size Estimated 1.5 meters long Type of Dinosaur Small Theropod Type Species N. gobiensis (type) Found in Mongolia - Nemegt Formation When it Lived Late Cretaceous,
Nodosaurus (Knobbled lizard) Phonetic No-doe-sore-us Named By Othniel Charles Marsh - 1889 Diet Herbivore Size Estimated 4-6 meters long Type of Dinosaur Armoured Dinosaur Type Species N. textilis (type) Found in USA, Wyoming & Kansas When it Lived Late Cretaceous, 112-90 million years ago Nodosaurus Facts Nodosaurus was a genus of herbivorous dinosaur that lived
