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Stegosaurus stenops

Reptilia - Stegosauridae

Taxonomy
Stegosaurus stenops was named by Marsh (1887). Its type specimen is USNM 4934, a skeleton, and it is a 3D body fossil. Its type locality is Felch Quarry 1, Garden Park (YPM), which is in a Kimmeridgian/Tithonian channel sandstone/claystone in the Morrison Formation of Colorado.

It was recombined as Diracodon stenops by Olshevsky and Ford (1993); it was synonymized subjectively with Stegosaurus armatus by Maidment et al. (2008); it was considered a nomen dubium by Galton and Ayyasami (2017).

Synonymy list
YearName and author
1887Stegosaurus stenops Marsh p. 414 figs. Pl. 6
1890Stegosaurus stenops Zittel p. 745
1893Stegosaurus stenops Winkler p. 105
1896Stegosaurus stenops Marsh p. 190
1897Stegosaurus stenops Marsh p. 499
1898Stegosaurus stenops Gegenbaur p. 555
1898Stegosaurus stenops Woodward p. 212
1901Stegosaurus stenops Nopcsa p. 215
1902Stegosaurus stenops Hay p. 496
1911Stegosaurus stenops von Zittel p. 293 fig. 442
1914Stegosaurus stenops Gilmore pp. 104-105 figs. 2-9, 11-17, 19, 22-23
1914Stegosaurus stenops Huene p. 588 figs. Pl. 10
1915Stegosaurus stenops Hennig p. 10
1915Stegosaurus stenops Lambe p. 121
1916Stegosaurus stenops Mook p. 144
1920Stegosaurus stenops Pompeckj p. 119
1924Stegosaurus stenops Lull p. 265
1930Stegosaurus stenops Hay p. 234
1930Stegosaurus stenops Moodie p. 70
1931Stegosaurus stenops Johnson p. 358
1932Stegosaurus stenops Brown p. 495
1934Stegosaurus stenops Chakravarti p. 78
1963Stegosaurus stenops Anonymous p. 356
1964Stegosaurus stenops Kuhn p. 38
1964Stegosaurus stenops Tatarinov p. 572
1970Stegosaurus stenops Swinton p. 241
1972Stegosaurus stenops Madsen Jr. and Stokes p. 49
1978Stegosaurus stenops Madsen Jr. and Stokes p. 69
1981Stegosaurus stenops McIntosh p. 35
1982Stegosaurus stenops Galton p. 145
1985Stegosaurus stenops Brinkman and Conway p. 1
1986Stegosaurus stenops Buffrénil et al. p. 460
1990Stegosaurus stenops Galton
1993Diracodon stenops Olshevsky and Ford
1996Stegosaurus stenops Bakker p. 44
1997Stegosaurus stenops Carpenter p. 91
1997Stegosaurus stenops Smith p. 127
1997Stegosaurus stenops Vickaryous and Ryan p. 491
1999Stegosaurus stenops Carpenter p. 8
2001Stegosaurus stenops Barrett p. 37 fig. 2.6
2001Stegosaurus stenops Carpenter and Galton p. 97
2001Stegosaurus stenops Carpenter et al. p. 55
2001Stegosaurus stenops McWhinney et al. pp. 144-145
2004Stegosaurus stenops Galton and Upchurch p. 345
2006Stegosaurus stenops Chure et al. p. 237
2006Stegosaurus stenops Mateus p. 231
2007Stegosaurus stenops Escaso et al. p. 371
2007Stegosaurus stenops Galton p. 24
2008Stegosaurus stenops Butler et al. p. 7
2010Stegosaurus stenops Billon-Bruyat et al. p. 147
2010Stegosaurus stenops Carpenter p. 159
2010Stegosaurus stenops Christiansen and Tschopp p. 164
2010Stegosaurus stenops Galton p. 193–194
2012Stegosaurus stenops Decker p. 8
2013Stegosaurus stenops International Commission on Zoological Nomenclature p. 129–130
2013Stegosaurus stenops Pereda-Suberbiola et al. p. 67
2014Stegosaurus stenops Ulansky p. 6
2016Stegosaurus stenops Borinder et al. p. 64
2016Stegosaurus stenops Galton and Carpenter p. 185
2018Stegosaurus stenops Maidment et al. p. 1
2018Stegosaurus stenops Tumanova and Alifanov p. 1778
2019Stegosaurus stenops Costa and Mateus p. 97
2019Stegosaurus stenops Cruzado-Caballero et al. p. 216
2021Stegosaurus stenops Breeden et al. p. 21

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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()
Ornithischia()
Genasauria
Thyreophora()
Stegosauria()
familyStegosauridae
genusStegosaurus
speciesstenops

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.

Stegosaurus stenops Marsh 1887
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Diagnosis
No diagnoses are available
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: gregariouso
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2005-08-25 06:07:59
Modified: 2005-08-25 08:07:59
Source: g = genus, o = order
References: Peczkis 1995, Marsh 1875

Age range: base of the Late/Upper Kimmeridgian to the top of the Early/Lower Tithonian or 155.70000 to 145.00000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Kimmeridgian157.3 - 152.1USA (Colorado) Stegosaurus stenops (48170)
Kimmeridgian - Tithonian157.3 - 145.0USA (Wyoming) Stegosaurus sp. (22648) Stegosaurus stenops (39253)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0USA (Colorado) Stegosaurus sp. (48160) Stegosaurus stenops (type locality: 28366)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0USA (Wyoming) Stegosaurus stenops (49577)
Late/Upper Kimmeridgian - Tithonian155.7 - 145.0USA (Colorado) Stegosaurus stenops (231620)
Tithonian152.1 - 145.0USA (Utah) Stegosaurus sp. (46439)
Tithonian152.1 - 145.0USA (Colorado) Stegosaurus stenops (48161)