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Ornithomimus velox

Reptilia - Ornithomimidae

Taxonomy
Ornithomimus velox was named by Marsh (1890). Its type specimen is YPM 542, a set of limb elements, and it is a 3D body fossil. Its type locality is Beaver Creek Valley (YPM), which is in a Maastrichtian terrestrial horizon in the Denver Formation of Colorado.

Synonymy list
YearName and author
1890Ornithomimus velox Cannon p. 253
1890Ornithomimus velox Marsh pp. 84-85 figs. 1-4
1890Ornithomimus velox Zittel p. 767
1893Ornithomimus velox Winkler p. 111
1896Ornithomimus velox Marsh p. 204
1897Ornithomimus velox Marsh p. 518
1901Ornithomimus velox Nopcsa p. 201
1902Ornithomimus velox Hay p. 494
1904Ornithomimus velox Lambe p. 33
1905Ornithomimus velox Lambe p. 23
1906Ornithomimus velox Cannon p. 197
1916Ornithomimus velox Osborn pp. 738-740
1920Ornithomimus velox Gilmore p. 131
1922Ornithomimus velox Matthew and Brown p. 377
1927Ornithomimus velox Huene p. 260
1928Ornithomimus velox Perrier p. 3088
1930Ornithomimus velox Hay p. 183
1930Ornithomimus velox Russell p. 155
1931Ornithomimus velox Johnson p. 374
1933Ornithomimus velox Gilmore p. 31
1939Ornithomimus velox Kuhn p. 51
1964Ornithomimus velox Tatarinov p. 533
1970Ornithomimus velox Steel p. 19
1970Ornithomimus velox Swinton p. 130
1972Ornithomimus velox Osmólska et al. p. 138
1972Ornithomimus velox Russell pp. 379-381
1980Ornithomimus velox Molnar and Pledge p. 286
1981Ornithomimus velox Nicholls and Russell p. 521
1985Ornithomimus velox DeCourten and Russell p. 1093
1986Ornithomimus velox Gauthier p. 10
1988Ornithomimus velox Paul p. 392
1994Ornithomimus velox Derstler p. 139
1996Ornithomimus velox Novas p. 676
2003Ornithomimus velox Rauhut p. 38
2004Ornithomimus velox Makovicky et al. p. 138
2008Ornithomimus velox Longrich p. 983
2009Ornithomimus velox Buffetaut et al. p. 234
2010Ornithomimus velox Zanno et al. p. 176
2013Ornithomimus velox Zanno et al. p. 509
2016Ornithomimus velox Claessens and Loewen p. 2–4
2016Ornithomimus velox McFeeters et al. p. 1
2016Ornithomimus velox Serrano-Brañas et al. p. 49
2018Ornithomimus velox Hunt and Quinn p. 4
2023Ornithomimus velox Chamberlain et al. p. 14

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
—Maniraptoriformes
—Arctometatarsalia
infraorderOrnithomimosauria
familyOrnithomimidae
genusOrnithomimus
speciesvelox

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Ornithomimus velox Marsh 1890
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Diagnosis
ReferenceDiagnosis
L. P. A. Claessens and M. A. Loewen 2016Ornithomimid with the following autapomorphies: relatively short and robust metatarsus, with maximum relative width of metatarsal (MT) III exceeding that of any known ornithomimid. Ratio of maximum MT III diaphysis anteroposterior width divided by length of MT III is 11%. Relatively short metatarsus in comparison with hand. Metacarpal (MC) I and MC II are apposed for a relatively short distance, along the first quarter of their total length. A shared synapomorphy for the genus is the length of MC I being greater than that of MC II, and MC II being greater than MC III (MC I > MC II > MC III).