Classification
Fossil sites 320 geolocated sites
Distribution
Top countries
Geological formations
Temporal distribution
Maastrichtian
(72.2–66 Ma)
111
Campanian
(83.6–72.2 Ma)
127
Santonian
(85.7–83.6 Ma)
4
Coniacian
(89.8–85.7 Ma)
7
Turonian
(93.9–89.8 Ma)
29
Cenomanian
(100.5–93.9 Ma)
2
Albian
(113.2–100.5 Ma)
9
Aptian
(121.4–113.2 Ma)
12
Barremian
(125.77–121.4 Ma)
9
Hauterivian
(132.6–125.77 Ma)
1
Valanginian
(137.05–132.6 Ma)
3
Berriasian
(143.1–137.05 Ma)
2
Tithonian
(149.2–143.1 Ma)
1
Kimmeridgian
(154.8–149.2 Ma)
2
Bathonian
(168.2–165.3 Ma)
1
Synonyms (8)
Coelosaurus
nomen dubium Ornithomimosauria
Coelosaurus affinis
nomen dubium, species not entered Ornithomimosauria
Coelosaurus antiquus
nomen dubium, species not entered Ornithomimosauria
Dryosaurus grandis
nomen dubium, species not entered Ornithomimosauria
Thecocoelurus
nomen dubium Ornithomimosauria
Thecocoelurus daviesi
nomen dubium, species not entered Ornithomimosauria
Valdoraptor
nomen dubium Ornithomimosauria
Valdoraptor oweni
nomen dubium, species not entered Ornithomimosauria
News 2
bone
vertebra
description
Canada
Colombia
+5
10/06/2026 everythingdinosaur
vertebra
Canada
Colombia
fossil
Dinosauria
+2
25/05/2026 sci-news
Images 3
Bibliography
Original description
R. Barsbold. 1976. K evolyutsii i sistematike pozdnemezozoyskikh khishchnykh dinozavrov [The evolution and systematics of late Mesozoic carnivorous dinosaurs]. In N. N. Kramarenko, B. Luvsandansan, Y. I. Voronin, R. Barsbold, A. K. Rozhdestvensky, B. A. Trofimov & V. Y. Reshetov (eds.), Paleontology and Biostratigraphy of Mongolia. The Joint Soviet-Mongolian Paleontological Expedition, Transactions 3:68-75
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C. D. Brownstein. 2018. The distinctive theropod assemblage of the Ellisdale site of New Jersey and its implications for North American dinosaur ecology and evolution during
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R. K. Hunt and J. H. Quinn. 2018. A new ornithomimosaur from the Lower Cretaceous Trinity Group of Arkansas. Journal of Vertebrate Paleontology 38(1):e1421209:1-12
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H.-J. Lee, Y.-N. Lee, and T. L. Adams, P. J. Currie, Y. Kobayashi, L. L. Jacobs, E. B. Koppelhus. 2018. Theropod trackways associated with a Gallimimus foot skeleton from the Nemegt Formation, Mongolia. Palaeogeography, Palaeoclimatology, Palaeoecology 494:160-167
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A. O. Averianov, H.-D. Sues, and G. J. Dyke, B. Bayshashov. 2017. Hind limb bones of an ornithomimid dinosaur from the Upper Cretaceous Bostobe Formation, northeastern Aral Sea region, Kazakhstan. Palaeoworld 26:194-201
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T. Chinzorig, Y. Kobayashi, and K. Tsogtbaatar, P. J. Currie, M. Watabe, R. Barsbold. 2017. First ornithomimid (Theropoda, Ornithomimosauria) from the Upper Cretaceous Djadokhta Formation of Tögrögiin Shiree, Mongolia. Scientific Reports 7(1):5835:1-14
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L. P. A. Claessens and M. A. Loewen. 2016. A redescription of Ornithomimus velox Marsh, 1890 (Dinosauria, Theropoda). Journal of Vertebrate Paleontology 36(1):e1034593:1-15
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Á. A. Ramírez-Velasco and R. Hernández-Rivera. 2015. Diversity of Late Cretaceous dinosaurs from Mexico. Boletín Geológico y Minero 126(1):63-108
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X. Yao, X.-L. Wang, and C. Sullivan, S. Wang, T. A. Stidham, X. Xu. 2015. Caenagnathasia sp. (Theropoda: Oviraptorosauria) from the Iren Dabasu Formation (Upper Cretaceous: Campanian) of Erenhot, Nei Mongol, China. Vertebrata PalAsiatica 53(4):291-298
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D. A. Eberth, D. C. Evans, and D. W. H. Lloyd. 2014. Occurrence and taphonomy of the first documented hadrosaurid bonebed from the Dinosaur Park Formation (Belly River Group, Campanian) at Dinosaur Provincial Park, Alberta, Canada. Hadrosaurs
Y.-N. Lee, R. Barsbold, and P. J. Currie, Y. Kobayashi, H.-J. Lee, P. Godefroit, F. Escuillié, T. Chinzorig. 2014. Resolving the long-standing enigmas of a giant ornithomimosaur Deinocheirus mirificus. Nature 515(7526):257-260
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H. E. Rivera-Sylva and K. Carpenter. 2014. Mexican saurischian dinosaurs. Dinosaurs and Other Reptiles from the Mesozoic of Mexico
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A. Watanabe, G. E. Erickson, and P. S. Druckenmiller. 2013. An ornithomimosaurian from the Upper Cretaceous Prince Creek Formation of Alaska. Journal of Vertebrate Paleontology 33(5):1169-1175
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R. B. J. Benson, T. H. Rich, and P. Vickers Rich, M. Hall. 2012. Theropod fauna from southern Australia indicates high polar diversity and climate-driven dinosaur provinciality. PLoS ONE 7(5):e37122
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L. Jin, J. Chen, and P. Godefroit. 2012. A new basal ornithomimosaur (Dinosauria: Theropoda) from the Early Cretaceous Yixian Formation, northeast China. Bernissart Dinosaurs and Early Cretaceous Terrestrial Ecosystems
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P. R. Bell, B. M. Rothschild, and D. H. Tanke. 2011. First report of gout in an ornithomimid (Dinosauria: Theropoda) from the Horseshoe Canyon Formation, Alberta. Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:166-168
R. Bronowicz. 2011. New material of a derived ornithomimosaur from the Upper Cretaceous Nemegt Formation of Mongolia. Acta Palaeontologica Polonica 56(3):477-488
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C. D. Crane. 2011. Vertebrate Paleontology and Taphonomy of the Late Cretaceous (Campanian) Bladen Formation, Bladen County, North Carolina.
S. E. Jasinski, R. M. Sullivan, and S. G. Lucas. 2011. Taxonomic composition of the Alamo Wash local fauna from the Upper Cretaceous Ojo Alamo Formation (Naashoibito Member), San Juan Basin, New Mexico. Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:216-271
S. J. Nesbitt, J. A. Clarke, and A. H. Turner, M. A. Norell. 2011. A small alvarezsaurid from the Eastern Gobi Desert offers insight into evolutionary patterns in the Alvarezsauroidea. Journal of Vertebrate Paleontology 31(1):144-153
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L. Xu, Y. Kobayashi, and Y.-N. Lee, Y. Liu, K. Tanaka, X. Zhang, S. Jia, J. Zhang. 2011. A new ornithomimid dinosaur with North American affinities from the Late Cretaceous Qiupa Formation in Henan Province of China. Cretaceous Research 32(1):213-222
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M. C. Aguillon Martínez. 2010. Fossil Vertebrates from the Cerro del Pueblo Formation, Coahuila, Mexico, and the Distribution of Late Campanian (Cretaceous) Terrestrial Vertebrate Faunas.
D. W. Larson, D. B. Brinkman, and P. R. Bell. 2010. Faunal assemblages from the upper Horseshoe Canyon Formation, an early Maastrichtian cool-climate assemblage from Alberta, with special reference to the Albertosaurus sarcophagus bonebed. Canadian Journal of Earth Sciences 47:1159-1181
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P. J. Makovicky, D. Li, and K.-Q. Gao, M. Lewin, G. M. Erickson, M. A. Norell. 2010. A giant ornithomimosaur from the Early Cretaceous of China. Proceedings of the Royal Society B: Biological Sciences 277:191-198
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O. Mateus, G. J. Dyke, and N. Motchurova-Dekova, G. D. Kamenov, P. Ivanov. 2010. The first record of a dinosaur from Bulgaria. Lethaia 43(1):88-94
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Y. Matsumoto, R. Hashimoto, and T. Sonoda, Y. Fujiyama, B. Mifune, Y. Kawahara, M. Saneyoshi. 2010. Report of the preparation works for Mongolian specimens in Hayashibara Museum of Natural Sciences: 1999–2008. Hayashibara Museum of Natural Sciences Research Bulletin 3:167-185
J. T. Sankey. 2010. Faunal composition and significance of high-diversity, mixed bonebeds containing Agujaceratops mariscalensis and other dinosaurs, Aguja Formation (Upper Cretaceous), Big Bend, Texas. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington
S. Suzuki, M. Watabe, and K. Tsogtbaatar. 2010. Report of the HMNS-MPC Joint Paleontological Expedition in 2004. Hayashibara Museum of Natural Sciences Research Bulletin 3:1-9
K. Tsogtbaatar and T. Chinzorig. 2010. Fossil specimens prepared in Mongolian Paleontological Center: 2002–2008. Hayashibara Museum of Natural Sciences Research Bulletin 3:155-166
M. Watabe, S. Suzuki, and K. Tsogtbaatar, T. Tsubamoto, M. Saneyoshi. 2010. Report of the HMNS-MPC Joint Paleontological Expedition in 2006. Hayashibara Museum of Natural Sciences Research Bulletin 3:11-18
A. O. Averianov and P. P. Skutschas. 2009. Additions to the Early Cretaceous dinosaur fauna of Transbaikalia, eastern Russia. Proceedings of the Zoological Institute, Russian Academy of Sciences 313(4):363-378
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N. Boonchai, P. J. Grote, and P. Jintasakul. 2009. Paleontological parks and museums and prominent fossil sites in Thailand and their importance in the conservation of fossils. PaleoParks - The Protection and Conservation of Fossil Sites Worldwide. Carnets de Géologie/Notebooks on Geology, Book 2009/03, Brest Chapter 07:75-95
E. Buffetaut, V. Suteethorn, and H. Tong. 2009. An early 'ostrich dinosaur' (Theropoda: Ornithomimosauria) from the Early Cretaceous Sao Khua Formation of NE Thailand. Late Palaeozoic and Mesozoic Ecosystems in SE Asia. The Geological Society of London, Special Publication 315:229-243
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J. Lü, L. Xu, and X. Jiang, S. Jia, M. Li, C. Yuan, X. Zhang, Q. Ji. 2009. A preliminary report on the new dinosaurian fauna from the Cretaceous of the Ruyang Basin, Henan Province of central China. Journal of the Paleontological Society of Korea 25(1):43-56
N. Longrich. 2008. A new, large ornithomimid from the Cretaceous Dinosaur Park Formation of Alberta, Canada: implications for the study of dissociated dinosaur remains. Palaeontology 51(4):983-997
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A. O. Averianov. 2007. Theropod dinosaurs from Late Cretaceous deposits in the northeastern Aral Sea region, Kazakhstan. Cretaceous Research 28:532-544
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R. Barsbold, Y. Kobayashi, and K. Kubota. 2007. New discovery of dinosaur fossils from the Upper Cretaceous Bayanshiree Formation of Mongolia. Journal of Vertebrate Paleontology 27(3, suppl.):44A
S. Gasaway, J. T. Sankey, and N. Oritz, V. Meredith. 2007. Paleoecology of a Chasmosaurus mariscalensis bonebed, Late Cretaceous (late Campanian), Big Bend National Park, Texas. Journal of Vertebrate Paleontology 27(3, suppl.):79A
R. A. Stockey, G. W. Rothwell, and K. R. Johnson. 2007. Cobbania corrugata gen. et comb. nov. (Araceae): a floating aquatic monocot from the Upper Cretaceous of western North America. American Journal of Botany 94(4):609-624
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A. O. Averianov. 2006. On an ornithomimid dinosaur (Saurischia, Ornithomimosauria) from the Cenomanian of Fergana. Paleontological Journal 40(3):323-327
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M. T. Carrano. 2006. Fossil Vertebrate Collections, Museum of the Rockies
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B. B. Britt, D. A. Eberth, and R. Scheetz, B. Greenhalgh. 2004. Taphonomy of the Dalton Wells Dinosaur Quarry (Cedar Mountain Formation, Lower Cretaceous, Utah). Journal of Vertebrate Paleontology 24(3, suppl.):41A
D. T. Ksepka and M. A. Norell. 2004. Ornithomimosaur cranial material from Ukhaa Tolgog (Omnogov, Mongolia). American Museum Novitates 3448:1-4
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S. Maganuco. 2004. New dinosaur bones from the Dinosaur Provincial Park (Alberta, Canada) expedition of 1922. Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano 145(1):69-77
M. Watabe and K. Tsogtbaatar. 2004. Report on the Japan–Mongolia Joint Paleontological Expedition to the Gobi desert, 2000. Hayashibara Museum of Natural Sciences Research Bulletin 2:45-67
A. O. Averianov, A. Starkov, and P. Skutschas. 2003. Dinosaurs from the Early Cretaceous Murtoi Formation in Buryatia, eastern Russia. Journal of Vertebrate Paleontology 23(3):586-594
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J. I. Canudo and J. I. Ruiz-Omeñaca. 2003. Los restos directos de dinosaurios teropódos (excluyendo Aves) en España [Direct remains of theropod dinosaurs (excluding Aves) in Spain]. Ciencias de la Tierra 26:347-373
P. J. Currie, D. Badamgarav, and E. B. Koppelhus. 2003. The first Late Cretaceous footprints from the Nemegt locality in the Gobi of Mongolia. Ichnos 10:1-12
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A. R. Fiorillo and R. Gangloff. 2003. Preliminary notes on the taphonomic and paleoecologic setting of a Pachyrhinosaurus bonebed in northern Alaska. Journal of Vertebrate Paleontology 23(3, suppl.):50A
Q. Ji, M. A. Norell, and P. J. Makovicky, K.-Q. Gao, S. Ji, C. Yuan. 2003. An early ostrich dinosaur and implications for ornithomimosaur phylogeny. American Museum Novitates 3420:1-19
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Y. Kobayashi and J. Lü. 2003. A new ornithomimid dinosaur with gregarious habits from the Late Cretaceous of China. Acta Palaeontologica Polonica 48(2):235-259
M. G. Lockley, G. Nadon, and P. J. Currie. 2003. A diverse dinosaur-bird footprint assemblage from the Lance Formation, Upper Cretaceous, eastern Wyoming; implications for ichnotaxonomy. Ichnos 11:229-249
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O. W. M. Rauhut. 2003. A tyrannosauroid dinosaur from the Upper Jurassic of Portugal. Palaeontology 46(5):903-913
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K. Carpenter and D. B. Young. 2002. Late Cretaceous dinosaurs from the Denver Basin, Colorado. Rocky Mountain Geology 37(2):237-254
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I. Ferrusquía, J. Ortíz-Mendieta, and J. García-Orozco. 2002. Late Cretaceous dinosaur tracks from southwestern Mexico: its paleontologic significance. Journal of Vertebrate Paleontology 22(3 (suppl.)):52A-53A
D. A. Pearson, T. Schaefer, and K. R. Johnson, D. J. Nichols, J. P. Hunter. 2002. Vertebrate biostratigraphy of the Hell Creek Formation in southwestern North Dakota and northwestern South Dakota. The Hell Creek Formation and the Cretaceous-Tertiary Boundary in the Northern Great Plains: An Integrated Continental Record of the End of the Cretaceous, Geological Society of America Special Paper 361:145-167
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M. J. Ryan, A. P. Russell, and D. A. Eberth, P. J. Currie. 2001. The taphonomy of a Centrosaurus (Ornithischia: Ceratopsidae) bone bed from the Dinosaur Park Formation (Upper Campanian), Alberta, Canada, with comments on cranial ontogeny. Palaios 16:482–506
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M. J. Ryan and A. P. Russell. 2001. Dinosaurs of Alberta (exclusive of Aves). Mesozoic Vertebrate Life
W. J. de Klerk, C. A. Forster, and S. D. Sampson, A. Chinsamy, C. F. Ross. 2000. A new coelurosaurian dinosaur from the Early Cretaceous of South Africa. Journal of Vertebrate Paleontology 20(2):324-332
M. Montellano-Ballesteros, R. Hernández-Rivera, and G. Álvarez-Reyes, P. Andrade-Ramos, L. Martín-Medrano. 2000. Discovery of Late Cretaceous vertebrate local faunas in northern Mexico. Journal of Vertebrate Paleontology 20(3 (suppl.)):58A-59A
R. M. Sullivan, D.H. Tanke, and BM Rothschild. 2000. An impact fracture in an ornithomimid (Ornithomimosauria:Dinosauria) metatarsal from the upper Cretaceous (late Campanian) of New Mexico. New Mexico Museum of Natural History and Science Bulletin
S. Suzuki and M. Watabe. 2000. Report on the Japan–Mongolia Joint Paleontological Expedition to the Gobi desert, 1998. Hayashibara Museum of Natural Sciences Research Bulletin 1:83-98
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