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Timeline of ornithomimosaur research

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the joint Korean-Mongolian team in the Gobi Desert. He contacted the researchers and it was found that the strange, privately owned fossils fit together with the 2009 specimen like puzzle pieces. The collector was willing to part with the specimens after being informed of their scientific value. After obtaining the specimens, Escuillié donated them to the Royal Belgian Institute of Natural Sciences where Godefroit worked.
1567: 815: 1088: 345: 938: 449: 1382: 1102: 738: 499: 1217: 2951: 2929: 1472:. This specimen is now catalogued as MPC-D 100/127. Like the 2006 Deinocheirus find, MPC-D 100/127 also been damaged by fossil poachers, who stole its skull, hands, and feet. The stolen specimens were later found to have been sold to a Japanese collector, who then resold the fossils to a German collector. 844:
Osmolska and others interpreted ornithomimosaurs as carnivores due to their membership in the theropoda, however, because of their beaked jaws were toothless he felt that only the smallest vertebrates and insects were suitable as prey. He also thought that ornithomimosaurs may have supplemented their
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Russell concluded based on ornithomimid pelvic and leg anatomy that they could achieve similar running speeds to modern ostriches, but would not have been as maneuverable. He also observed that since the ornithomimosaur pelvic canal is wide compared to that of other dinosaur groups they may have laid
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of Late Jurassic Tanzania was actually a coelophysoid rather than a primitive ornithomimosaur as interpreted by Russell. He also drew some conclusions regarding ornithomimosaur biogeography, noting that they apparently crossed the Bering land bridge less readily than hadrosaurs and pachycephalosaurs
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Barsbold and Osmolska performed the first phylogenetic analysis of the internal evolutionary relationships of ornithomimosaurs. They also noted that unlike modern ratite birds, the tip of an ornithomimosaur's beak has a "deep edge". Barsbold and Osmolska further observed that ornithomimosaur remains
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Russell interpreted ornithomimosaurs as carnivores due to their membership in the theropoda, however, because of their beaked jaws were toothless he felt that only the smallest vertebrates and insects were suitable as prey. He also thought that ornithomimosaurs may have supplemented their diets with
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Deinocheirus was a heavily built, non-cursorial animal with an elongate snout, a deep jaw, tall neural spines, a pygostyle, a U-shaped furcula, an expanded pelvis for strong muscle attachments, a relatively short hind limb and broad-tipped pedal unguals. Ecomorphological features in the skull, more
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Nicholls and Russell that ornithomimosaurs had little ability to rotate their forearms. This is evidence against the idea that ornithomimosaurs could use their arms to rake or dig. They also thought the first and second digits were somewhat opposable. The researchers concluded that ornithomimosaurs
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Allain, R.; Vullo, R.; Phillips, G.; Rolke, R.; Bourgeais,R.; Bourgeais,R.; Goedert, J.; Anquintin, J.; Lasseron, M.; Vullo, R.; Martin, J. E.; Perez-Garcia,A.; Peyre de Fabregues, C.; Royo-Torres, R.; Augier, D.; Bailly, G.; Cazes, L.; Despresy, Y.; Galliegue, A.; Gomez,B.; Goussard, F.; Lenglet,
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French fossil dealer François Escuillié noticed some unusual fossils kept by a private collector in Europe. He alerted Belgian paleontologist Pascal Godefroit about the strange finds. Godefroit realized that these fossils might be those poached from the Deinocheirus specimens recently excavated by
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Padian and other researchers published a paper noting that Paul Sereno's revised definition of the Ornithomimosauria was basically the same as that of a clade proposed in 1996 by Thom Holtz called the Arctometatarsalia. Padian and the others proposed a new redefinition of Ornithomimosauria as the
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remains. They also noted that some fossil eggs discovered at Iren Debasu in China may have been laid by ornithomimosaurs. However, without ornithomimosaur skeletal remains of either adults who could have laid the eggs or embryos inside them there is no solid evidence for this
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Li Xu, Yoshitsugu Kobayashi, Junchang LĂĽ, Yuong-Nam Lee, Yongqing Liu, Kohei Tanaka, Xingliao Zhang, Songhai Jia and Jiming Zhang (2011). "A new ornithomimid dinosaur with North American affinities from the Late Cretaceous Qiupa Formation in Henan Province of China".
1149:, finding it to be more primitive than either one. IT was so primitive that it retained teeth. The tip of its jaws were filled 220 tiny teeth. The researchers interpreted these teeth as acting like a "cutting and ripping blade". They also debunked the idea that 1331:
that may have been used for filter feeding. If so, it would be the largest terrestrial filter feeder in history. They also observed that ornithomimosaurs seem to have been rare or absent in relatively dry paleoenvironments, like that of the
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node based clade including those dinosaur descended from the most recent common ancestor shared by Pelecanimimus and Ornithomimus. This definition preserved the classification of the traditional ostrich dinosaurs as members.
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Buffetaut, E.; Suteethorn, V.; Tong, H. (2009). "An early 'ostrich dinosaur' (Theropoda: Ornithomimosauria) from the Early Cretaceous Sao Khua Formation of NE Thailand". In Buffetaut, E.; Cuny, G.; Suteethorn, V. (eds.).
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The Korea-Mongolia International Dinosaur Project discovered a new specimen of the mysterious Mongolian dinosaur Deinocheirus, specimen now catalogued as MPC-D 100/128. This specimen had also been damaged by fossil
1276:. The presence, abundance, and size of the gastroliths were all similar to those of modern herbivorous and filter feeding birds. Likewise there was no evidence for vertebrate prey in the diet of 2681:
Jin Liyong, Chen Jun & Pascal Godefroit (2012). "A New Basal Ornithomimosaur (Dinosauria: Theropoda) from the Early Cretaceous Yixian Formation, Northeast China". In Godefroit, P. (ed.).
1280:, which could have come in the form of bone fragments or apatite in the sediments enclosing the gastroliths. The remains of multiple individuals were recovered from a bonebed in Ulansuhai. 1765:
Nottrodt describes the first articulated ornithomimid remains found from the Scollard Formation, TMP 1993.104.1, which represent a juvenile specimen, extending the stratigraphic range of
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Smith and Galton proposed a redefinition of the ornithomimidae that would include all taxa then regarded as ornithomimosaurian. Most scientists did not follow this suggestion, however.
2555:"Vertebrate paleobiodiversity of the Early Cretaceous (Berriasian) Angeac-Charente Lagerstätte (southwestern France): Implications for continental faunal turnover at the J/K boundary" 1200:
of Late Triassic Texas was the world's oldest and most primitive ornithomimosaur because the anatomy of its braincase and palate were inconsistent with that of an ornithomimosaur.
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Nicholls and Russel noted similarities in the beaks of ornithomimosaurs and modern ratite birds and suggested that ornithomimosaurs may have shared the birds' herbivorous diet.
542:, for this species. Osborn put forth early speculations on the diet of ornithomimosaurs. He considered three possible diets: plants, social insects, and aquatic invertebrates. 1239:. This definition would have vastly expanded the membership of Ornithomimosauria to not only include the ostrich dinosaurs but the alvarezsaurs and therizinosaurs as well. 2913: 1246:
with those of spinosaurids and proposed that it may actually be a member of that group rather than an ornithomimosaur. This reclassification met with little support.
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has led to controversy among paleontologists trying to reconstruct the diet of ornithomimosaurs. Osborn hypothesized in 1917 that ornithomimosaurs may have eaten
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that may have been used for filter feeding, bringing renewed credibility to one of Osborn's 1917 hypotheses. If this interpretation of the evidence is correct,
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Allian and others describe the Berriasian age Angeac-Charente Lagerstätte of France, which is dominated by an ornithomimosaur herd of at least 70 individuals.
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The type specimen of the dinosaur that would later be named Deinocheirus mirificus was discovered by Polish–Mongolian Palaeontological Expedition in Mongolia.
1141:. The species was the first known ornithomimosaur from Europe. The researchers performed a cladistic analysis to uncover its evolutionary relationship with 2781: 2278:
V.R. Alifanov; S.V. Saveliev (2015). "The Most Ancient Ornithomimosaur (Theropoda, Dinosauria), with Cover Imprints from the Upper Jurassic of Russia".
659:. This was the first known ornithomimosaur to be discovered in Asia. The remains of multiple individuals were recovered from a bonebed at Iren Dabasu. 3005: 622: 1605:
than a thousand gastroliths, and stomach contents (fish remains) suggest that Deinocheirus was a megaomnivore that lived in mesic environments.
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Norell and others performed a cladistic analysis of the Coelurosauria. The researchers included five ornithomimosaur taxa in this analysis.
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Rachel E. Nottrodt (2022). "First articulated ornithomimid specimens from the upper Maastrichtian Scollard Formation of Alberta, Canada".
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revealed the existence of primitive ornithomimosaurs outside of the Ornithomimidae proper. Subsequent research and discoveries during the
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Xu and others performed a cladistic analysis of the Coelurosauria. The researchers included five ornithomimosaur taxa in this analysis.
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Sereno proposed a radical redefinition of the Ornithomimosauria as a stem based clade including all dinosaurs more closely related to
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Makovicky, Peter J.; Kobayashi, Yoshitsugu; Currie, Philip J. (2004). Weishampel, David B.; Dodson, Peter; OsmĂłlska, Halszka (eds.).
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Serrano-Brañas, C.I.; Espinosa-Cha´vez, B.; Maccracken, S.A.; Gutie´rrez-Blando, C.; de Leo´n-Da´ vila, C.; Ventura, J.F. (2020). "
1348:. He noted new features in the "paper thin" jaw and corrects minor mistakes made in previous reconstructions of the lower jaw of 3000: 1178: 1017: 1762:
Tsogtbaatar and others describe ornithomimosaur materials from the Upper Cretaceous Santonian Eutaw Formation of Appalachia.
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of Late Jurassic Tanzania was actually a coelophysoid rather than a primitive ornithomimosaur as interpreted by Russell.
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Yuong-Nam Lee and others described the life appearance and paleobiology of Deinocheirus, characterizing it as follows:
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Kobayashi and Lu performed a cladistic analysis including all ornithomimosaurs then recognized, with the exception of
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ReBecca K. Hunt; James H. Quinn (2018). "A new ornithomimosaur from the Lower Cretaceous Trinity Group of Arkansas".
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Russell published a review of the Late Cretaceous ornithomimids from North America. He also described the new genus
2941: 2412: 589: 508: 2415:, a large deinocheirid ornithomimosaur from the Cerro del Pueblo Formation (Upper Cretaceous), Coahuila, Mexico". 2995: 2979: 1410: 682: 230: 24: 1787: 1630: 1117: 2834:
Makovicky, Peter J.; Li, Daqing; Gao, Ke-Qin; Lewin, Matthew; Erickson, Gregory M.; Norell, Mark A. (2010).
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were more common in wetter environments like Iren Debasu and Dinosaur Park Formation than more arid regions.
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evidence mounted against Russell's hypothesis that ornithomimosaurs were descended from a close relative of
66:, the first ornithomimosaur to be recognized as belonging to a new family distinct from other theropods was 36: 2726: 1137: 953: 943: 766: 746: 707: 664: 655: 525: 221: 145: 100: 2907: 2722: 1711: 1531:
Escuillié and Godefroit returned the recovered poached Deinocheirus remains to the Mongolian government.
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Nicholls and Russell enumerated a list of anatomical traits shared by Deinocheirus and ornithomimosaurs.
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Thulborn noted that estimates for ornithomimosaur running speeds puts them between 35 and 60 km/h.
143:. More Asian discoveries took place even later in the 20th century, including the disembodied arms of 2887: 2744: 2710: 2686: 2471: 2424: 2377: 2330: 2287: 1753: 1734: 1697: 1677: 1668: 1648: 1619: 1591: 1545: 1536: 1515: 1495: 1450: 1435: 1399: 1373: 1308: 1272:
Kobayashi and others reported the discovery of gastroliths in the dinosaur that would later be named
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of Tanzania was a primitive ornithomimosaur. This species would later be shown to be a coelophysoid.
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to be a primitive ornithomimosaur. This species would later be shown to be a coelophysoid.
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A paper by Galton and others accepted Russell's opinion that the Late Jurassic theropod
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Osmolska and others suggested that ornithomimosaurs could use their forearms to dig.
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The Korea-Mongolia International Dinosaur Project discovered another specimen of
286:, and her colleagues considered ornithomimosaurs carnivores that may have fed on 2657: 1572: 1487: 448: 325: 302:
began advocating a reinterpretation of ornithomimosaurs as herbivores. With the
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The beaks of ornithomimosaurs had deeper tips than ratites like the skull this
2368:(Dinosauria: Theropoda) skeleton with comments on the validity of the genus". 2299: 1381: 1295: 981:
to the scientific literature, this one from the Kaiparowits Formation in Utah.
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would prevent any movement in the front and rear portions of the lower jaw.
1216: 498: 2928: 2729:(2014). "Resolving the Long-Standing Enigmas of the Giant Ornithomimosaur 2458:
Tsogtbaatar, C.; Cullen, T.; Phillips, G.; Rolke, R.; Zanno, L.E. (2022).
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Osmolska and Roniewicz, and Barsbold described the new genus and species
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Currie and Eberth suggested that some fossils once thought to belong to
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Perez-Moreno and other researchers described the new genus and species
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specimen in Dinosaur Provincial Park, Alberta. He erected a new genus,
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Osmolska, Roniewicz, and Barsbold described the new genus and species
2782:"With extra-long arms, Deinocheirus mirificus was one weird dinosaur" 2607: 1317:
Thom Holtz performed another cladistic analysis which concluded that
271: 226: 192: 155:. The formal naming of the Ornithomimosauria itself was performed by 1459:
Buffetaut, Suteethorn, and Tong described the new genus and species
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published a detailed description of a complete lower jaw bone from
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Ian Macdonald; Philip J. Currie (2019). "Description of a partial
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from the Upper Jurassic deposits of the Transbaikal Area, Russia.
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Osmolska published on ornithomimosaur evolutionary relationships.
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Bernissart Dinosaurs and Early Cretaceous Terrestrial Ecosystems
2668:"Bigger Than A T. Rex, With A Duck's Bill, Huge Arms And A Hump" 1327:
Norell and others reported a comb-like structure in the beak of
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Paul Sereno performed a cladistic analysis which concluded that
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was an ancestral relative of ornithomimids. The descriptions of
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Russell regarded a Late Jurassic theropod from Tanzania called
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Serrano-Brañas and others described the new genus and species
312:, came further support for reinterpreting ornithomimosaurs as 295: 2646:. Life of the Past. Indiana University Press. pp. 34–41. 1408:
Ji and other researchers described the new genus and species
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Yacobucci performed a cladistic analysis of ornithomimosaurs.
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refined science's knowledge of ornithomimosaur evolution. In
117:, significant ornithomimosaur discoveries began occurring in 2836:"A giant ornithomimosaur from the Early Cretaceous of China" 1580:
Jin, Chen and Godefroit described the new genus and species
891:. He added the family Garudimimidae to the ornithomimosaurs. 1657:
Tsogtbaatar and others described the new genus and species
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would be the largest terrestrial filter feeder in history.
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Alifanov and Saveliev describe the new theropod dinosaur,
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Rich and Vickers-Rich described the new genus and species
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Makovicky and others described the new genus and species
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The juxtaposition of apparent evolutionary affinities to
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could use their arms to "gras branches and fern fronds."
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Proceedings of the Royal Society B: Biological Sciences
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Taquet and Russell noted commonalities in the teeth of
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Barsbold and Perle described the new genus and species
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only a few large eggs or even gave birth to live young.
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Sankar Chatterjee described the new genus and species
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Kobayashi and Lu described the new genus and species
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DeCourten and Russell reported a second specimen of
2625:"Stolen dinosaur head reveals weird hybrid species" 2553:T.; Vacant, R.; Mazan; Tour-nepiche, J.-F. (2022). 2176: 2101: 2099: 1686:Hunt and Quinn described the new genus and species 2600:Late Palaeozoic and Mesozoic Ecosystems in SE Asia 2201: 2199: 2197: 1534:Xu and others described the new genus and species 298:. In the early to mid 1980s, however Russell and 99:did not happen until nearly 30 years later, when 2653:"Menacing dinosaur turns out to be gentle giant" 1602: 1352:. Hurum suggests that a "large widening of the 1196:Rauhut rejected Sankar Chatterjee's claim that 828:Ostrom "tentatively" classified the mysterious 2685:. Indiana University Press. pp. 467–487. 866:Barsbold formally named the Ornithomimosauria. 328:reported a comb-like structure in the beak of 95:. The description of a second ornithomimosaur 995:Barsbold described the new genus and species 885:Barsbold described the new genus and species 790:and classified two different species therein. 84:ornithomimosaurs were one of the first major 8: 2912:: CS1 maint: multiple names: authors list ( 2253: 2148:; "Abstract," page 257. For expedition, see 415:and erected a new family to house them, the 35:is a chronological listing of events in the 1997:; "Table 6.1: Ornithomimosauria", page 138. 1835:; "Table 6.1: Ornithomimosauria", page 139. 1666:Sereno described the new genus and species 528:reported the discovery of a more complete " 266:dinosaurs with the possession of toothless 2642:". In Tanke, D. H.; Carpenter, K. (eds.). 506:published in a 1921 issue of the magazine 2859: 2743:(7526) (published 22 October 2014): 1–4. 2570: 2493: 2483: 2417:Journal of South American Earth Sciences 2188: 2081:; "Systematics and Evolution", page 148. 2016:; "Systematics and Evolution", page 147. 1911:; "Systematics and Evolution", page 146. 1714:16182, putatively assigned to the genus 255:closely related to, but outside of, the 2946: 2160: 2158: 2091:Makovicky, Kobayashi, and Currie (2004) 2079:Makovicky, Kobayashi, and Currie (2004) 2041:Makovicky, Kobayashi, and Currie (2004) 2014:Makovicky, Kobayashi, and Currie (2004) 1995:Makovicky, Kobayashi, and Currie (2004) 1952:Makovicky, Kobayashi, and Currie (2004) 1940:Makovicky, Kobayashi, and Currie (2004) 1909:Makovicky, Kobayashi, and Currie (2004) 1856:Makovicky, Kobayashi, and Currie (2004) 1833:Makovicky, Kobayashi, and Currie (2004) 1810: 306:report of gastroliths in the new genus 2905: 2822: 2812: 2666:Joyce, Christopher (22 October 2014). 2177:Buffetaut, Suteethorn, and Tong (2009) 236:. From the late 1990s into the early 7: 894:Nicholls and Russell concluded that 705:Lapparent described the new species 680:Sternberg described the new species 409:. He also described the new species 403:described the new genus and species 166:Early research into ornithomimosaur 33:timeline of ornithomimosaur research 2144:For date and catalogue number, see 1795:Timeline of oviraptorosaur research 1743:Serrano-Brañas and others describe 278:, or aquatic invertebrates. In the 247:, and favored an ancestry close to 2519:Journal of Vertebrate Paleontology 2370:Canadian Journal of Earth Sciences 2323:Journal of Vertebrate Paleontology 2265: 2145: 2057: 1800:Timeline of therizinosaur research 653:Gilmore described the new species 14: 2241: 1176:Nessov described the new species 2973: 2961: 2949: 2927: 2638:Hurum, J. (2001). "Lower jaw of 1954:; "Paleobiology", pages 149-150. 793:Russell described the new genus 671:Parks described the new species 662:Parks described the new species 607:Parks described the new species 433:Marsh described the new species 2780:Khan, Amina (25 October 2014). 2651:Jiji, Kyodo (24 October 2014). 2572:10.5252/geodiversitas2022v44a25 2254:Jin, Chen, and Godefroit (2012) 2217: 2205: 2149: 2129: 2117: 2105: 1364:. He also notes that the tight 1356:end of the prearticular" is an 1179:Archaeornithomimus bissektensis 91:groups to be recognized in the 3006:Timelines of theropod research 2229: 2164: 2053: 1660:Aepyornithomimus tugrikinensis 1: 2900:10.1016/j.cretres.2010.12.004 2531:10.1080/02724634.2021.2019754 2343:10.1080/02724634.2017.1421209 2485:10.1371/journal.pone.0266648 2437:10.1016/j.jsames.2020.102610 1640:Lepidocheirosaurus natatilis 2623:Hecht, Jeff (12 May 2014). 2280:Paleontologicheskii Zhurnal 2093:; "Biogeography", page 149. 2043:; "Paleobiology", page 150. 1942:; "Paleobiology", page 149. 1858:; "Introduction", page 137. 1462:Kinnareemimus khonkaenensis 320:rather than carnivores. In 3022: 2413:Paraxenisaurus normalensis 1745:Paraxenisaurus normalensis 1004:Paul tentatively regarded 590:Struthiomimus brevitertius 587:described the new species 564:described the new species 483:described the new species 375:described the new species 2300:10.1134/S0031030115060039 2132:; "Conclusions," page 40. 1411:Shenzhousaurus orientalis 683:Ornithomimus edmontonicus 282:paleontologists Russell, 25:Ornithomimus edmontonicus 2644:Mesozoic Vertebrate Life 1788:Timeline of paleontology 1631:Tototlmimus packardensis 1570:Artist's restoration of 1557:Artist's restoration of 1220:Artistic restoration of 1198:Shuvosaurus inexpectatus 1118:Shuvosaurus inexpectatus 941:Artistic restoration of 502:An early restoration of 2268:; "Abstract," page 257. 2256:; "Abstract", page 467. 2244:; "Abstract", page 213. 2191:; "Abstract", page 191. 2189:Makovicky et al. (2010) 2179:; "Abstract", page 229. 2060:; "Abstract," page 257. 1783:History of paleontology 1223:Elaphrosaurus bambergii 1153:had a horn on its nose. 998:Anserimimus planinychus 562:Charles Whitney Gilmore 55:popularly known as the 3001:Paleontology timelines 2852:10.1098/rspb.2009.0236 2731:Deinocheirus mirificus 2727:Chinzorig, Tsogtbaatar 2390:10.1139/cjes-2018-0162 2120:; "Abstract," page 35. 2108:; "Abstract," page 34. 2056:. For expedition, see 1614: 1613: 1576: 1563: 1491: 1390: 1319:Elaphrosaurus bambergi 1299: 1269:during the Cretaceous. 1266:Elaphrosaurus bambergi 1244:Pelecanimimus polyodon 1227: 1138:Pelecanimimus polyodon 1111: 1098: 1026: 1008:as an ornithomimosaur. 954:Harpymimus okladnikovi 947: 944:Harpymimus okladnikovi 922:Elaphrosaurus bambergi 832:as an ornithomimosaur. 830:Deinocheirus mirificus 824: 804:Elaphrosaurus bambergi 767:Deinocheirus mirificus 751: 747:Deinocheirus mirificus 708:Elaphrosaurus gautieri 665:Struthiomimus currelli 656:Ornithomimus asiaticus 640: 526:Henry Fairfield Osborn 512: 462: 354: 222:Pelecanimimus polyodon 146:Deinocheirus mirificus 101:Henry Fairfield Osborn 28: 2711:Kobayashi, Yoshitsugu 2208:; "Fossil smugglers". 1601: 1569: 1556: 1484: 1420:Sinornithomimus dongi 1384: 1366:intramandibular joint 1292: 1219: 1104: 1097:, compared to a human 1090: 1020: 940: 817: 740: 625: 610:Struthiomimus samueli 501: 451: 401:Othniel Charles Marsh 348:Holotype material of 347: 74:Othniel Charles Marsh 21: 2936:at Wikimedia Commons 1669:Afromimus tenerensis 1537:Qiupalong henanensis 1151:Garudimimus brevipes 888:Garudimimus brevipes 818:Life restoration of 674:Struthiomimus ingens 585:William Arthur Parks 460:Royal Ontario Museum 378:Coelosaurus antiquus 2892:2011CrRes..32..213X 2880:Cretaceous Research 2757:10.1038/nature13874 2749:2014Natur.515..257L 2723:EscuilliĂ©, François 2691:2012bdec.book.....G 2640:Gallimimus bullatus 2476:2022PLoSO..1766648T 2429:2020JSAES.10102610S 2382:2019CaJES..56..129M 2335:2018JVPal..38E1209H 2292:2015PalJ...49..636A 1689:Arkansaurus fridayi 1507:Beishanlong grandis 1362:Gallimimus bullatus 1345:Gallimimus bullatus 1334:Djadokhta Formation 838:Gallimimus bullatus 626:Skeletal mount of " 567:Coelosaurus affinis 455:Struthiomimus altus 436:Ornithomimus sedens 412:Ornithomimus tenuis 225:was described from 172:comparative anatomy 152:Gallimimus bullatus 2980:History of science 1706:Description of an 1577: 1564: 1492: 1485:Skeletal mount of 1391: 1300: 1228: 1112: 1099: 1091:Estimated size of 1076:Archaeornithomimus 1027: 979:Ornithomimus velox 948: 825: 796:Archaeornithomimus 752: 641: 633:Archaeornithomimus 513: 486:Ornithomimus altus 463: 406:Ornithomimus velox 355: 351:Ornithomimus velox 300:Elizabeth Nicholls 149:and the new genus 132:Archaeornithomimus 121:. The first was a 69:Ornithomimus velox 29: 2934:Ornithomimosauria 2932:Media related to 2846:(1679): 191–198. 2797:Ornithomimosauria 2719:Godefroit, Pascal 2707:Currie, Philip J. 2703:Barsbold, Rinchen 2266:Lee et al. (2014) 2146:Lee et al. (2014) 2058:Lee et al. (2014) 3013: 2996:Ornithomimosaurs 2978: 2977: 2976: 2966: 2965: 2964: 2954: 2953: 2952: 2945: 2931: 2917: 2911: 2903: 2873: 2863: 2830: 2824: 2820: 2818: 2810: 2791: 2776: 2694: 2677: 2662: 2647: 2634: 2619: 2608:10.1144/SP315.16 2585: 2584: 2574: 2549: 2543: 2542: 2514: 2508: 2507: 2497: 2487: 2470:(10): e0266648. 2455: 2449: 2448: 2408: 2402: 2401: 2361: 2355: 2354: 2318: 2312: 2311: 2275: 2269: 2263: 2257: 2251: 2245: 2242:Xu et al. (2011) 2239: 2233: 2227: 2221: 2215: 2209: 2203: 2192: 2186: 2180: 2174: 2168: 2162: 2153: 2142: 2133: 2127: 2121: 2115: 2109: 2103: 2094: 2088: 2082: 2076: 2061: 2050: 2044: 2038: 2017: 2011: 1998: 1992: 1955: 1949: 1943: 1937: 1912: 1906: 1859: 1853: 1836: 1830: 1756: 1737: 1700: 1680: 1651: 1622: 1611: 1594: 1548: 1518: 1498: 1453: 1438: 1402: 1376: 1311: 1254: 1211: 1190: 1170: 1129: 1068: 1054: 1033: 989: 965: 932: 914: 898:was the same as 879: 860: 845:diets with eggs. 778: 758: 719: 699: 647: 601: 578: 555: 519: 474: 458:skeleton at the 427: 394: 366: 284:Halszka Osmolska 182:argued that the 157:Rinchen Barsbold 45:ornithomimosaurs 3021: 3020: 3016: 3015: 3014: 3012: 3011: 3010: 2986: 2985: 2984: 2974: 2972: 2962: 2960: 2950: 2948: 2940: 2924: 2904: 2876: 2833: 2821: 2811: 2807: 2794: 2779: 2697: 2680: 2665: 2650: 2637: 2622: 2596: 2593: 2588: 2565:(25): 683–752. 2551: 2550: 2546: 2516: 2515: 2511: 2457: 2456: 2452: 2410: 2409: 2405: 2363: 2362: 2358: 2329:(1): e1421209. 2320: 2319: 2315: 2277: 2276: 2272: 2264: 2260: 2252: 2248: 2240: 2236: 2228: 2224: 2216: 2212: 2204: 2195: 2187: 2183: 2175: 2171: 2163: 2156: 2143: 2136: 2128: 2124: 2116: 2112: 2104: 2097: 2089: 2085: 2077: 2064: 2051: 2047: 2039: 2020: 2012: 2001: 1993: 1958: 1950: 1946: 1938: 1915: 1907: 1862: 1854: 1839: 1831: 1812: 1808: 1779: 1769:within Alberta. 1754: 1751: 1735: 1731: 1698: 1678: 1649: 1620: 1612: 1609: 1592: 1546: 1516: 1496: 1479: 1451: 1436: 1400: 1387:Sinornithomimus 1374: 1309: 1305: 1287: 1278:Sinornithomimus 1274:Sinornithomimus 1252: 1209: 1188: 1168: 1159:Timimus hermani 1127: 1066: 1052: 1031: 1015: 987: 963: 930: 912: 877: 873: 858: 776: 756: 735: 717: 697: 693: 645: 620: 599: 576: 553: 549: 517: 509:Natural History 496: 472: 468: 446: 425: 392: 388: 364: 360: 342: 309:Sinornithomimus 113:. Later in the 72:, described by 43:focused on the 12: 11: 5: 3019: 3017: 3009: 3008: 3003: 2998: 2988: 2987: 2983: 2982: 2970: 2958: 2938: 2937: 2923: 2922:External links 2920: 2919: 2918: 2886:(2): 213–222. 2874: 2831: 2806:978-0520242098 2805: 2792: 2777: 2699:Lee, Yuong-Nam 2695: 2678: 2663: 2648: 2635: 2620: 2592: 2589: 2587: 2586: 2544: 2509: 2450: 2403: 2376:(2): 129–157. 2366:Dromiceiomimus 2356: 2313: 2270: 2258: 2246: 2234: 2222: 2210: 2193: 2181: 2169: 2154: 2134: 2122: 2110: 2095: 2083: 2062: 2052:For date, see 2045: 2018: 1999: 1956: 1944: 1913: 1860: 1837: 1809: 1807: 1804: 1803: 1802: 1797: 1792: 1791: 1790: 1778: 1775: 1774: 1773: 1770: 1763: 1749: 1748: 1730: 1727: 1726: 1725: 1717:Dromiceiomimus 1694: 1693: 1674: 1673: 1664: 1645: 1644: 1635: 1616: 1615: 1607: 1588: 1587: 1542: 1541: 1532: 1526: 1512: 1511: 1478: 1475: 1474: 1473: 1466: 1447: 1446: 1432: 1431: 1428:Shenzhousaurus 1424: 1415: 1396: 1395: 1370: 1369: 1337: 1325: 1322: 1304: 1301: 1286: 1283: 1282: 1281: 1270: 1262: 1248: 1247: 1240: 1205: 1204: 1201: 1184: 1183: 1164: 1163: 1154: 1123: 1122: 1085: 1084: 1078:were actually 1062: 1061: 1048: 1047: 1044: 1041: 1014: 1011: 1010: 1009: 1002: 983: 982: 975: 972: 959: 958: 926: 925: 908: 907: 903: 896:Dromiceiomimus 892: 872: 869: 868: 867: 854: 853: 849: 846: 842: 833: 812: 811: 807: 800: 791: 787:Dromiceiomimus 772: 771: 734: 731: 730: 729: 713: 712: 692: 689: 688: 687: 678: 669: 660: 619: 616: 615: 614: 595: 594: 572: 571: 548: 545: 544: 543: 495: 492: 491: 490: 481:Lawrence Lambe 467: 464: 445: 442: 441: 440: 421: 420: 417:Ornithomimidae 387: 384: 383: 382: 359: 356: 341: 338: 318:filter feeders 276:social insects 13: 10: 9: 6: 4: 3: 2: 3018: 3007: 3004: 3002: 2999: 2997: 2994: 2993: 2991: 2981: 2971: 2969: 2959: 2957: 2947: 2943: 2935: 2930: 2926: 2925: 2921: 2915: 2909: 2901: 2897: 2893: 2889: 2885: 2881: 2875: 2871: 2867: 2862: 2857: 2853: 2849: 2845: 2841: 2837: 2832: 2828: 2816: 2808: 2802: 2798: 2793: 2789: 2788: 2783: 2778: 2774: 2770: 2766: 2762: 2758: 2754: 2750: 2746: 2742: 2738: 2737: 2732: 2728: 2724: 2720: 2716: 2715:Lee, Hang-Jae 2712: 2708: 2704: 2700: 2696: 2692: 2688: 2684: 2679: 2675: 2674: 2669: 2664: 2660: 2659: 2654: 2649: 2645: 2641: 2636: 2632: 2631: 2630:New Scientist 2626: 2621: 2617: 2613: 2609: 2605: 2601: 2595: 2594: 2590: 2582: 2578: 2573: 2568: 2564: 2560: 2559:Geodiversitas 2556: 2548: 2545: 2540: 2536: 2532: 2528: 2524: 2520: 2513: 2510: 2505: 2501: 2496: 2491: 2486: 2481: 2477: 2473: 2469: 2465: 2461: 2454: 2451: 2446: 2442: 2438: 2434: 2430: 2426: 2422: 2418: 2414: 2407: 2404: 2399: 2395: 2391: 2387: 2383: 2379: 2375: 2371: 2367: 2360: 2357: 2352: 2348: 2344: 2340: 2336: 2332: 2328: 2324: 2317: 2314: 2309: 2305: 2301: 2297: 2293: 2289: 2285: 2281: 2274: 2271: 2267: 2262: 2259: 2255: 2250: 2247: 2243: 2238: 2235: 2231: 2226: 2223: 2219: 2214: 2211: 2207: 2202: 2200: 2198: 2194: 2190: 2185: 2182: 2178: 2173: 2170: 2166: 2161: 2159: 2155: 2151: 2147: 2141: 2139: 2135: 2131: 2126: 2123: 2119: 2114: 2111: 2107: 2102: 2100: 2096: 2092: 2087: 2084: 2080: 2075: 2073: 2071: 2069: 2067: 2063: 2059: 2055: 2049: 2046: 2042: 2037: 2035: 2033: 2031: 2029: 2027: 2025: 2023: 2019: 2015: 2010: 2008: 2006: 2004: 2000: 1996: 1991: 1989: 1987: 1985: 1983: 1981: 1979: 1977: 1975: 1973: 1971: 1969: 1967: 1965: 1963: 1961: 1957: 1953: 1948: 1945: 1941: 1936: 1934: 1932: 1930: 1928: 1926: 1924: 1922: 1920: 1918: 1914: 1910: 1905: 1903: 1901: 1899: 1897: 1895: 1893: 1891: 1889: 1887: 1885: 1883: 1881: 1879: 1877: 1875: 1873: 1871: 1869: 1867: 1865: 1861: 1857: 1852: 1850: 1848: 1846: 1844: 1842: 1838: 1834: 1829: 1827: 1825: 1823: 1821: 1819: 1817: 1815: 1811: 1805: 1801: 1798: 1796: 1793: 1789: 1786: 1785: 1784: 1781: 1780: 1776: 1771: 1768: 1764: 1761: 1760: 1759: 1758: 1757: 1746: 1742: 1741: 1740: 1739: 1738: 1728: 1723: 1719: 1718: 1713: 1709: 1705: 1704: 1703: 1702: 1701: 1691: 1690: 1685: 1684: 1683: 1682: 1681: 1671: 1670: 1665: 1662: 1661: 1656: 1655: 1654: 1653: 1652: 1642: 1641: 1636: 1633: 1632: 1627: 1626: 1625: 1624: 1623: 1606: 1599: 1598: 1597: 1596: 1595: 1585: 1584: 1583:Hexing qingyi 1579: 1578: 1575: 1574: 1568: 1562: 1561: 1555: 1551: 1550: 1549: 1539: 1538: 1533: 1530: 1527: 1523: 1522: 1521: 1520: 1519: 1509: 1508: 1503: 1502: 1501: 1500: 1499: 1490: 1489: 1483: 1476: 1471: 1467: 1464: 1463: 1458: 1457: 1456: 1455: 1454: 1443: 1442: 1441: 1440: 1439: 1429: 1425: 1422: 1421: 1416: 1413: 1412: 1407: 1406: 1405: 1404: 1403: 1393: 1392: 1389: 1388: 1383: 1379: 1378: 1377: 1367: 1363: 1359: 1355: 1351: 1347: 1346: 1341: 1340:Jørn H. Hurum 1338: 1335: 1330: 1326: 1323: 1320: 1316: 1315: 1314: 1313: 1312: 1302: 1298: 1297: 1291: 1284: 1279: 1275: 1271: 1267: 1263: 1259: 1258: 1257: 1256: 1255: 1245: 1241: 1238: 1234: 1230: 1229: 1225: 1224: 1218: 1214: 1213: 1212: 1202: 1199: 1195: 1194: 1193: 1192: 1191: 1181: 1180: 1175: 1174: 1173: 1172: 1171: 1161: 1160: 1155: 1152: 1148: 1144: 1140: 1139: 1134: 1133: 1132: 1131: 1130: 1120: 1119: 1114: 1113: 1110: 1109: 1105:The femur of 1103: 1096: 1095: 1094:Pelecanimimus 1089: 1081: 1077: 1073: 1072: 1071: 1070: 1069: 1059: 1058: 1057: 1056: 1055: 1045: 1042: 1038: 1037: 1036: 1035: 1034: 1024: 1019: 1012: 1007: 1003: 1000: 999: 994: 993: 992: 991: 990: 980: 976: 973: 970: 969: 968: 967: 966: 956: 955: 950: 949: 946: 945: 939: 935: 934: 933: 923: 919: 918: 917: 916: 915: 904: 901: 897: 893: 890: 889: 884: 883: 882: 881: 880: 870: 865: 864: 863: 862: 861: 850: 847: 843: 840: 839: 834: 831: 827: 826: 823: 822: 816: 808: 805: 801: 798: 797: 792: 789: 788: 783: 782: 781: 780: 779: 769: 768: 763: 762: 761: 760: 759: 749: 748: 743: 739: 732: 727: 724: 723: 722: 721: 720: 710: 709: 704: 703: 702: 701: 700: 690: 685: 684: 679: 676: 675: 670: 667: 666: 661: 658: 657: 652: 651: 650: 649: 648: 639: 635: 634: 629: 628:Ornithmomimus 624: 617: 612: 611: 606: 605: 604: 603: 602: 592: 591: 586: 583: 582: 581: 580: 579: 569: 568: 563: 560: 559: 558: 557: 556: 546: 541: 540: 539:Struthiomimus 535: 531: 527: 524: 523: 522: 521: 520: 511: 510: 505: 500: 493: 488: 487: 482: 479: 478: 477: 476: 475: 465: 461: 457: 456: 450: 443: 438: 437: 432: 431: 430: 429: 428: 418: 414: 413: 408: 407: 402: 399: 398: 397: 396: 395: 385: 380: 379: 374: 371: 370: 369: 368: 367: 357: 353: 352: 346: 339: 337: 335: 331: 327: 323: 319: 315: 311: 310: 305: 301: 297: 293: 289: 285: 281: 277: 273: 269: 265: 260: 258: 257:maniraptorans 254: 250: 249:Pelecanimimus 246: 245:Elaphrosaurus 242: 239: 235: 232: 228: 224: 223: 218: 214: 210: 206: 205: 200: 199: 194: 190: 189: 188:Elaphrosaurus 185: 181: 177: 173: 170:was based on 169: 164: 162: 158: 154: 153: 148: 147: 142: 138: 134: 133: 128: 124: 120: 116: 112: 108: 107: 106:Struthiomimus 102: 98: 94: 93:fossil record 90: 87: 83: 79: 75: 71: 70: 65: 61: 59: 54: 50: 47:, a group of 46: 42: 38: 34: 27: 26: 20: 16: 2968:Paleontology 2908:cite journal 2883: 2879: 2843: 2839: 2796: 2785: 2740: 2734: 2730: 2682: 2671: 2656: 2643: 2639: 2628: 2599: 2562: 2558: 2547: 2522: 2518: 2512: 2467: 2463: 2453: 2420: 2416: 2406: 2373: 2369: 2365: 2359: 2326: 2322: 2316: 2286:(6): 71–85. 2283: 2279: 2273: 2261: 2249: 2237: 2225: 2218:Joyce (2014) 2213: 2206:Hecht (2014) 2184: 2172: 2150:Hecht (2014) 2130:Hurum (2001) 2125: 2118:Hurum (2001) 2113: 2106:Hurum (2001) 2086: 2048: 1947: 1767:Ornithomimus 1766: 1752: 1750: 1744: 1733: 1732: 1715: 1708:ornithomimid 1696: 1695: 1687: 1676: 1675: 1667: 1658: 1647: 1646: 1638: 1629: 1618: 1617: 1603: 1590: 1589: 1581: 1573:Tototlmimus 1571: 1560:Deinocheirus 1558: 1544: 1543: 1535: 1528: 1514: 1513: 1505: 1494: 1493: 1486: 1470:Deinocheirus 1469: 1460: 1449: 1448: 1434: 1433: 1427: 1418: 1409: 1398: 1397: 1385: 1372: 1371: 1361: 1349: 1343: 1328: 1318: 1307: 1306: 1294: 1285:21st century 1277: 1273: 1265: 1250: 1249: 1243: 1236: 1233:Ornithomimus 1232: 1221: 1207: 1206: 1197: 1186: 1185: 1177: 1166: 1165: 1157: 1150: 1146: 1142: 1136: 1125: 1124: 1116: 1106: 1092: 1079: 1075: 1064: 1063: 1050: 1049: 1029: 1028: 1006:Deinocheirus 1005: 996: 985: 984: 978: 961: 960: 952: 942: 928: 927: 921: 910: 909: 900:Ornithomimus 899: 895: 886: 875: 874: 856: 855: 836: 829: 819: 803: 794: 785: 774: 773: 765: 754: 753: 745: 725: 715: 714: 706: 695: 694: 681: 672: 663: 654: 643: 642: 637: 631: 627: 608: 597: 596: 588: 574: 573: 565: 551: 550: 537: 533: 530:Ornithomimus 529: 515: 514: 507: 503: 484: 470: 469: 453: 444:20th century 434: 423: 422: 410: 404: 390: 389: 376: 373:Joseph Leidy 362: 361: 349: 340:19th century 333: 329: 307: 261: 253:coelurosaurs 248: 244: 238:21st century 220: 202: 196: 186: 180:Dale Russell 165: 150: 144: 136: 130: 127:Ornithomimus 126: 115:20th century 104: 82:ornithomimid 67: 56: 41:paleontology 32: 30: 23: 22:Skeleton of 15: 2823:|work= 2658:Japan Times 2230:Jiji (2014) 2165:Khan (2014) 2054:Khan (2014) 1488:Beishanlong 1350:G. bullatus 1143:Garudimimus 1080:Garudimimus 326:Mark Norell 292:vertebrates 264:carnivorous 198:Garudimimus 141:Iren Debasu 80:. Thus the 2990:Categories 2591:References 2423:: 102610. 1610:Lee et al. 1329:Gallimimus 1296:Gallimimus 1147:Gallimimus 902:after all. 821:Gallimimus 750:on display 452:Cast of a 334:Gallimimus 330:Gallimimus 314:herbivores 204:Harpymimus 103:described 2956:Dinosaurs 2825:ignored ( 2815:cite book 2616:128633687 2581:251106920 2539:247311332 2445:218968100 2398:134730129 2308:131199807 1806:Footnotes 1710:specimen 1445:poachers. 1358:apomorphy 1293:Skull of 1083:proposal. 638:asiaticus 241:cladistic 231:primitive 168:evolution 139:found at 137:asiaticus 60:dinosaurs 53:theropods 2870:19386658 2787:LA Times 2765:25337880 2504:36260601 2464:PLOS ONE 2351:90165402 1777:See also 1608:—  1529:May 1st: 1354:anterior 1237:Shuuvuia 1235:than to 742:Holotype 504:S. altus 290:, small 184:Jurassic 89:theropod 86:Mesozoic 2942:Portals 2888:Bibcode 2861:2842665 2773:2986017 2745:Bibcode 2687:Bibcode 2495:9581415 2472:Bibcode 2425:Bibcode 2378:Bibcode 2331:Bibcode 2288:Bibcode 1724:(2019). 1108:Timimus 1023:ostrich 630:" (now 288:insects 207:in the 129:" (now 123:bonebed 58:ostrich 37:history 2868:  2858:  2803:  2771:  2763:  2736:Nature 2725:& 2614:  2579:  2537:  2502:  2492:  2443:  2396:  2349:  2306:  1722:Currie 272:plants 227:Europe 193:Africa 51:-like 2769:S2CID 2612:S2CID 2577:S2CID 2535:S2CID 2525:(5). 2441:S2CID 2394:S2CID 2347:S2CID 2304:S2CID 1729:2020s 1712:UALVP 1477:2010s 1303:2000s 1013:1990s 871:1980s 852:eggs. 733:1970s 726:July: 691:1960s 618:1930s 547:1920s 534:altus 494:1910s 466:1900s 386:1890s 358:1860s 294:, or 280:1970s 268:beaks 234:taxon 213:1990s 209:1980s 174:. In 97:genus 64:1860s 31:This 2914:link 2866:PMID 2827:help 2801:ISBN 2761:PMID 2500:PMID 1755:2022 1736:2020 1699:2019 1679:2018 1650:2017 1621:2015 1593:2014 1547:2012 1517:2011 1497:2010 1452:2009 1437:2006 1401:2003 1375:2002 1360:for 1310:2001 1253:1999 1210:1998 1189:1997 1169:1995 1145:and 1128:1994 1067:1993 1053:1991 1032:1990 988:1988 964:1985 931:1984 913:1982 878:1981 859:1976 777:1972 757:1970 718:1965 698:1960 646:1933 600:1928 577:1926 554:1920 518:1917 473:1902 426:1892 393:1890 365:1865 322:2001 304:1999 296:eggs 217:1994 201:and 176:1972 161:1976 125:of " 119:Asia 111:1917 78:1890 49:bird 2896:doi 2856:PMC 2848:doi 2844:277 2753:doi 2741:515 2733:". 2673:NPR 2604:doi 2567:doi 2527:doi 2490:PMC 2480:doi 2433:doi 2421:101 2386:doi 2339:doi 2296:doi 744:of 316:or 191:of 159:in 109:in 76:in 39:of 2992:: 2910:}} 2906:{{ 2894:. 2884:32 2882:. 2864:. 2854:. 2842:. 2838:. 2819:: 2817:}} 2813:{{ 2784:. 2767:. 2759:. 2751:. 2739:. 2721:; 2717:; 2713:; 2709:; 2705:; 2701:; 2670:. 2655:. 2627:. 2610:. 2575:. 2563:44 2561:. 2557:. 2533:. 2523:41 2521:. 2498:. 2488:. 2478:. 2468:17 2466:. 2462:. 2439:. 2431:. 2419:. 2392:. 2384:. 2374:56 2372:. 2345:. 2337:. 2327:38 2325:. 2302:. 2294:. 2284:49 2282:. 2196:^ 2157:^ 2137:^ 2098:^ 2065:^ 2021:^ 2002:^ 1959:^ 1916:^ 1863:^ 1840:^ 1813:^ 1226:. 636:) 532:" 324:, 274:, 259:. 219:, 178:, 163:. 135:) 2944:: 2916:) 2902:. 2898:: 2890:: 2872:. 2850:: 2829:) 2809:. 2790:. 2775:. 2755:: 2747:: 2693:. 2689:: 2676:. 2661:. 2633:. 2618:. 2606:: 2583:. 2569:: 2541:. 2529:: 2506:. 2482:: 2474:: 2447:. 2435:: 2427:: 2400:. 2388:: 2380:: 2353:. 2341:: 2333:: 2310:. 2298:: 2290:: 2232:. 2220:. 2167:. 2152:. 1692:. 1672:. 1663:. 1634:. 1586:. 1540:. 1510:. 1465:. 1430:. 1423:. 1336:. 1182:. 1162:. 1025:. 1001:. 841:. 799:. 770:. 711:. 686:. 677:. 668:. 613:. 593:. 570:. 489:. 439:. 419:. 381:.

Index


Ornithomimus edmontonicus
history
paleontology
ornithomimosaurs
bird
theropods
ostrich
1860s
Ornithomimus velox
Othniel Charles Marsh
1890
ornithomimid
Mesozoic
theropod
fossil record
genus
Henry Fairfield Osborn
Struthiomimus
1917
20th century
Asia
bonebed
Archaeornithomimus
Iren Debasu
Deinocheirus mirificus
Gallimimus bullatus
Rinchen Barsbold
1976
evolution

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