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Archaeornithomimus asiaticus

Reptilia - Ornithomimidae

Taxonomy

Ornithomimus asiaticus was named by Gilmore (1933). Its type specimen is AMNH 6565, 6569 and is a 3D body fossil. Its type locality is Kaisen Quarry, Iren Dabasu, which is in a Campanian/Campanian fluvial-lacustrine horizon in the Iren Dabasu Formation of China. It was considered monophyletic by Currie (2000).

It was recombined as Archaeornithomimus asiaticus by Russell (1972), Osmólska et al. (1972), Rozhdestvensky (1977), Nicholls and Russell (1981), Gauthier (1986), Smith and Galton (1990), Currie (1992), Currie and Eberth (1993), Novas (1996), Buffetaut et al. (1997), Makovicky and Norell (1998), Currie (2000), Rauhut (2003), Ji et al. (2003), Makovicky et al. (2004), Kobayashi and Barsbold (2005), Kobayashi and Barsbold (2006), Turner et al. (2007), Longrich (2008), Buffetaut et al. (2009), Bronowicz (2011), Xu et al. (2011), Poropat and Kear (2013), Alifanov and Saveliev (2015), Tsuihiji et al. (2015), McFeeters et al. (2016), Claessens and Loewen (2016), Hunt and Quinn (2018).

Synonymy list

Year	Name and author
1933	Ornithomimus asiaticus Gilmore pp. 26-27
1935	Ornithomimus asiaticus Young
1939	Ornithomimus asiaticus Kuhn p. 52
1970	Ornithomimus asiaticus Steel p. 20
1972	Archaeornithomimus asiaticus Osmólska et al. p. 132
1972	Archaeornithomimus asiaticus Russell pp. 378-379
1977	Archaeornithomimus asiaticus Rozhdestvensky p. 111
1980	Ornithomimus asiaticus Chao
1981	Archaeornithomimus asiaticus Nicholls and Russell p. 524
1986	Archaeornithomimus asiaticus Gauthier p. 10
1986	Ornithomimus asiaticus Yu and Qi p. 164
1986	Ornithomimus asiaticus Zhao p. 71
1988	Ornithomimus asiaticus Paul p. 387
1990	Archaeornithomimus asiaticus Smith and Galton p. 256
1992	Archaeornithomimus asiaticus Currie p. 246
1993	Archaeornithomimus asiaticus Currie and Eberth p. 137
1996	Archaeornithomimus asiaticus Novas p. 676
1997	Archaeornithomimus asiaticus Buffetaut et al. p. 181
1997	Ornithomimus asiaticus Ryan p. 443
1998	Archaeornithomimus asiaticus Makovicky and Norell p. 2
2000	Archaeornithomimus asiaticus Currie p. 446
2003	Archaeornithomimus asiaticus Ji et al. p. 16 fig. 12
2003	Archaeornithomimus asiaticus Rauhut p. 38
2004	Archaeornithomimus asiaticus Makovicky et al. p. 138
2005	Archaeornithomimus asiaticus Kobayashi and Barsbold p. 120 fig. 6.12
2006	Archaeornithomimus asiaticus Kobayashi and Barsbold p. 203
2007	Archaeornithomimus asiaticus Turner et al. p. 27
2008	Archaeornithomimus asiaticus Longrich p. 992
2009	Archaeornithomimus asiaticus Buffetaut et al. p. 230
2011	Archaeornithomimus asiaticus Bronowicz p. 482
2011	Archaeornithomimus asiaticus Xu et al. p. 213
2013	Archaeornithomimus asiaticus Poropat and Kear p. 107
2015	Archaeornithomimus asiaticus Alifanov and Saveliev p. 636
2015	Archaeornithomimus asiaticus Tsuihiji et al. p. 64
2016	Archaeornithomimus asiaticus Claessens and Loewen p. 11 fig. 10
2016	Archaeornithomimus asiaticus McFeeters et al. p. 2
2018	Archaeornithomimus asiaticus Hunt and Quinn p. 7 fig. 6

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()

Rank	Name	Author
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Theropoda	()
—	Neotheropoda
—	Averostra	Paul 2002
—	Tetanurae
—	Coelurosauria	()
—	Maniraptoriformes
—	Arctometatarsalia
infraorder	Ornithomimosauria
family	Ornithomimidae
genus	Archaeornithomimus
species	asiaticus	()

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.

†Archaeornithomimus asiaticus Gilmore 1933

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Diagnosis

Reference	Diagnosis
C. W. Gilmore 1933	Smaller than Ornithomimus altus; cervical ribs free from vertebrae; pelvic bones not co6ssified; two bones in distal row of tarsus; Mtc. I relatively shorter than in American species.

Measurements

part	N	mean	minimum	maximum	median	s.d.
femur circumference	2	104.5	103.0	106.0	104.5	2.12
tibia circumference	5	99.3	89.0	115.0	102.0	11.0

Composition:

hydroxyapatiteinfrao

Entire body:

yesg

Adult length:

1.0 to < 10infrao

Adult width:

0.1 to < 1.0infrao

Adult height:

1.0 to < 10infrao

Thickness:

thickinfrao

Architecture:

compact or denseinfrao

Ontogeny:

accretion, modification of partsinfrao

Grouping:

gregariousinfrao

Environment:

terrestrialinfrao

Locomotion:

actively mobileinfrao

Life habit:

ground dwellinginfrao

Diet:

herbivoreinfrao

Diet 2:

omnivoreinfrao

Reproduction:

oviparousinfrao

Dispersal:

direct/internalinfrao

Dispersal 2:

mobileinfrao

Created:

2005-08-24 13:17:12

Modified:

2005-08-24 15:17:12

Source: g = genus, infrao = infraorder

References: Averianov and Yarkov 2004, Peczkis 1995

Age range: base of the Coniacian to the top of the Late/Upper Campanian or 89.80000 to 72.20000 Ma

Collections (3 total)

Time interval	Ma	Country or state	Original ID and collection number
Coniacian - Santonian	89.8 - 83.6	Kazakhstan (Turkistan)	Ornithomimus asiaticus (53132)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	China (Nei Mongol)	Ornithomimidae indet. (type locality: 48932 48933)