Pachycephalosaurus (thick headed lizard) Phonetic Pak-ee-sef-ah-low-sore-us Named By Barnum Brown & Erich Maren Schlaikjer - 1943 Diet Herbivore/Omnivore Size Estimated up to 4.5 meters long Type of Dinosaur Euornithopod Type Species P. wyomingensis (type) Found in USA When it Lived Late Cretaceous, 70-65 million years ago Pachycephalosaurus Facts Pachycephalosaurus is a genus of herbivorous dinosaur […]
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Ouranosaurus (Brave lizard) Phonetic Or-an-o-sor-us Named By Philippe Taquet - 1976 Diet Herbivore Size Estimated 7 meters long Type of Dinosaur Euornithopod Type Species O. nigeriensis (type) Found in Africa, Niger - Echkar Formation. Specimens also known from other locations in Africa When it Lived Early Cretaceous, 125 million years ago Ouranosaurus Facts Ouranosaurus was
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
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 -
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,
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
Nipponosaurus (Japanese lizard) Phonetic Nip-pon-o-sore-us Named By Takumi Nagao - 1936 Diet Herbivore Size Estimated 6-7 meters long Type of Dinosaur Euornithopod Type Species N. sachalinensis (type) Found in Russia, Sakhalin When it Lived Late Cretaceous, 72-68 million years ago Nipponosaurus Facts Nipponosaurus was a genus of herbivorous dinosaur that lived during the Late Cretaceous
Nigersaurus (Lizard from Niger) Phonetic Nee-jer-sore-us Named By Sereno, Beck, Dutheil, Larsson, Lyon, Moussa, Sadleir, Sidor, Varricchio, G.P. Wilson and J. A. Wilson - 1999 Diet Herbivore Size Estimated 9 meters long Type of Dinosaur Sauropod Type Species N. taqueti (Type) Found in Africa, Niger, Elrhaz Formation When it Lived Late Cretaceous, 119-99 million years
