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Stokesosaurus clevelandi

Reptilia

Taxonomy
Stokesosaurus clevelandi was named by Madsen (1974) [type also numbered UMNH VP 7434]. Its type specimen is UUVP 2938, a set of postcrania, and it is a 3D body fossil. Its type locality is Cleveland-Lloyd Dinosaur Quarry, which is in a Tithonian pond mudstone/lime mudstone in the Morrison Formation of Utah. It is the type species of Stokesosaurus.

It was recombined as Iliosuchus clevelandi by Galton (1976).

Synonymy list
YearName and author
1974Stokesosaurus clevelandi Anonymous p. 159
1974Stokesosaurus clevelandi Madsen p. 27
1976Iliosuchus clevelandi Galton p. 588 fig. 1
1977Stokesosaurus clevelandi Sues p. 180
1978Stokesosaurus clevelandi Madsen Jr. and Stokes p. 69
1982Stokesosaurus clevelandi Anonymous p. 12
1984Stokesosaurus clevelandi Jensen p. 375
1984Stokesosaurus clevelandi Welles pp. 174-175
1988Stokesosaurus clevelandi Paul p. 295
1990Stokesosaurus clevelandi Molnar et al. p. 192
1996Stokesosaurus clevelandi Osmólska p. 30
1997Stokesosaurus clevelandi Smith p. 126
2000Stokesosaurus clevelandi Chure p. 2
2000Stokesosaurus clevelandi Foster and Chure pp. 5-6
2003Stokesosaurus clevelandi Rauhut p. 27
2004Stokesosaurus clevelandi Holtz, Jr. p. 112
2005Stokesosaurus clevelandi Carpenter et al. p. 24
2006Stokesosaurus clevelandi Chure et al. p. 236
2006Stokesosaurus clevelandi Hunt and Lucas p. 116
2006Stokesosaurus clevelandi Mateus p. 231
2008Stokesosaurus clevelandi Benson p. 733
2011Stokesosaurus clevelandi Zanno and Makovicky p. 317
2013Stokesosaurus clevelandi Thomson et al. p. 71
2017Stokesosaurus clevelandi Carr et al. p. 9s

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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()
RankNameAuthor
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
superfamilyTyrannosauroidea
genusStokesosaurus
speciesclevelandi

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.

†Stokesosaurus clevelandi Madsen 1974
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Diagnosis
ReferenceDiagnosis
J. H. Madsen 1974A relatively small theropod probably not exceeding four meters in length when adult. Ilium having a distinct median vertical ridge extending from the hood of the acetabulum to the dorsal margin of the blade, with the blade becoming extremely thin on either side.
R. B. J. Benson 2008Stokesosaurus with the following additional iliac characters: swollen rim around articular surface of pubic peduncle; median ridge thicker than in Stokeosaurus langhami and extending almost to dorsal margin of blade.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yesg
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: solitaryo
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: carnivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2005-08-24 13:15:51
Modified: 2005-08-24 15:15:51
Source: g = genus, subo = suborder, o = order
References: Marsh 1875, Peczkis 1995, Benton 1983

Age range: Tithonian or 152.10000 to 145.00000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Kimmeridgian - Tithonian157.3 - 145.0USA (Wyoming) Stokesosaurus clevelandi (12816)
Tithonian152.1 - 145.0USA (Utah) Stokesosaurus clevelandi, Stokesosaurus sp. (type locality: 46439)