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Ornithomimus tenuis

Reptilia - Ornithomimidae

Taxonomy
Ornithomimus tenuis was named by Marsh (1890). Its type specimen is USNM 5814 and is a 3D body fossil. Its type locality is Cow Island (USNM 5814), which is in a Campanian/Campanian terrestrial horizon in the Judith River Formation of Montana.

It was recombined as Struthiomimus tenuis by Osborn (1916), Huene (1927); it was considered a nomen dubium by Russell (1972), Makovicky et al. (2004), Claessens and Loewen (2016).

Synonymy list
YearName and author
1890Ornithomimus tenuis Cannon p. 253
1890Ornithomimus tenuis Marsh p. 85
1890Ornithomimus tenuis Zittel p. 767
1893Ornithomimus tenuis Winkler p. 111
1902Ornithomimus tenuis Hay p. 494
1904Ornithomimus tenuis Lambe p. 33
1916Struthiomimus tenuis Osborn pp. 740-741
1920Ornithomimus tenuis Gilmore p. 135
1927Struthiomimus tenuis Huene p. 260
1930Ornithomimus tenuis Hay p. 183
1930Ornithomimus tenuis Russell p. 142
1939Ornithomimus tenuis Kuhn p. 52
1964Ornithomimus tenuis Russell p. 10
1970Ornithomimus tenuis Steel p. 19
1970Ornithomimus tenuis Swinton p. 130

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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
speciestenuis

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 tenuis Marsh 1890
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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 13:16:21
Modified: 2005-08-24 15:16:21
Source: g = genus, infrao = infraorder
References: Averianov and Yarkov 2004, Peczkis 1995

Age range: base of the Middle Campanian to the top of the Late/Upper Campanian or 83.60000 to 72.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Campanian - Late/Upper Campanian83.6 - 72.2USA (Montana) Ornithomimus tenuis (type locality: 49001)