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Styracosaurus albertensis

Reptilia - Ceratopsidae

Taxonomy
Styracosaurus albertensis was named by Lambe (1913). Its type specimen is NMC 344, a skull, and it is a 3D body fossil. Its type locality is RTMP Quarry 16, Happy Jack Ferry, which is in a Campanian channel sandstone in the Dinosaur Park Formation of Canada.

Synonyms
Synonymy list
YearName and author
1913Styracosaurus albertensis Lambe p. 109 figs. Pl. 10-12
1914Styracosaurus albertensis Brown p. 378
1914Styracosaurus albertensis Lambe p. 294
1915Styracosaurus albertensis Lambe p. 18
1916Styracosaurus albertensis Lambe p. 195
1917Monoclonius nasicornus Brown p. 286 figs. Pl. 11-13
1917Styracosaurus albertensis Sternberg pp. 206-207
1918Monoclonius nasicornis Sternberg p. 91
1920Styracosaurus albertensis Pompeckj p. 114
1921Styracosaurus albertensis Gilmore p. 7
1921Monoclonius nasicornis Parks p. 62
1923Monoclonius nasicornus Andrews p. 1108
1924Monoclonius nasicornus Abel p. 712
1925Monoclonius nasicornis Parks p. 5
1925Styracosaurus albertensis Parks p. 5
1927Monoclonius nasicornis Huene p. 261
1927Styracosaurus albertensis Huene p. 261
1930Centrosaurus nasicornus Russell p. 149
1930Styracosaurus albertensis Russell p. 149
1930Monoclonius nasicornus Wiman p. 12
1933Centrosaurus nasicornus Lull p. 86
1933Styracosaurus albertensis Lull p. 87
1934Monoclonius nasicornus Chakravarti p. 78
1937Monoclonius nasicornus Brown and Schlaikjer
1937Styracosaurus parksi Brown and Schlaikjer
1937Styracosaurus albertensis Brown and Schlaikjer pp. 4-7
1939Styracosaurus albertensis Riabinin p. 25
1940Styracosaurus parksi Brown and Schlaikjer p. 1
1940Monoclonius nasicornus Brown and Schlaikjer pp. 2-3 figs. 1B, 2D-F
1940Centrosaurus nasicornus Russell p. 2
1940Styracosaurus parksi Sternberg p. 470
1946Monoclonius nasicornus Gray p. 797
1946Styracosaurus albertensis Gray p. 797
1950Monoclonius nasicornus Swinton p. 1082
1964Monoclonius nasicornus Kuhn p. 57
1964Styracosaurus albertensis Kuhn p. 58
1964Styracosaurus parksi Kuhn p. 58
1964Monoclonius nasicornus Russell p. 13
1964Styracosaurus albertensis Russell p. 13
1964Monoclonius nasicornis Tatarinov p. 582 fig. 638
1964Styracosaurus albertensis Tatarinov p. 583
1966Styracosaurus albertensis Russell p. 17
1970Monoclonius nasicornus Swinton p. 260
1970Styracosaurus albertensis Swinton p. 263
1980Monoclonius nasicornus Drake p. 195
1980Styracosaurus albertensis Drake p. 197
1988Styracosaurus parksi Dodson and Currie p. 927
1990Styracosaurus albertensis Dodson p. 240 fig. 17.4
1990Styracosaurus albertensis Dodson and Currie p. 611
1997Styracosaurus albertensis Vickaryous and Ryan p. 492
2001Centrosaurus nasicornis Eberth et al. p. 59
2001Styracosaurus albertensis Eberth et al. p. 59
2003Styracosaurus albertensis Ryan and Russell p. 91A
2004Styracosaurus albertensis Dodson et al. p. 495
2005Centrosaurus nasicornus Currie p. 4
2005Styracosaurus albertensis Currie p. 6
2005Styracosaurus albertensis Ryan and Evans p. 328
2006Styracosaurus albertensis Campione and Holmes p. 1014
2007Styracosaurus albertensis Ryan p. 390
2007Styracosaurus albertensis Ryan et al. pp. 948-949
2008Styracosaurus albertensis Currie et al. p. 84
2008Styracosaurus albertensis Longrich p. 994
2009Styracosaurus albertensis Hieronymus et al. p. 1372 fig. 1
2010Styracosaurus albertensis Christiansen and Tschopp p. 168
2010Styracosaurus albertensis Longrich p. 692 fig. 10
2010Styracosaurus albertensis McDonald and Horner p. 159
2010Styracosaurus albertensis Ryan et al. p. 182
2011Styracosaurus albertensis Farke p. 7
2011Styracosaurus albertensis Farke et al. p. 693
2011Styracosaurus albertensis Maidment and Barrett p. 3
2013Styracosaurus albertensis Holmes and Ryan p. 5
2014Styracosaurus albertensis Evans et al. p. 201
2016Styracosaurus albertensis Lund et al. p. 12

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
RankNameAuthor
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Neornithischia()
Clypeodonta
Cerapoda
Marginocephalia
Ceratopsia()
infraorderNeoceratopsia
Coronosauria
familyCeratopsidae
subfamilyCentrosaurinae
genusStyracosaurus
speciesalbertensis

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.

Diagnosis
ReferenceDiagnosis
B. Brown 1917 (Monoclonius nasicornus)Skull with short face; supraorbital horns incipient, nasal horn long, straight and laterally compressed; epoccipitals large. Two inwardly directed processes on posterior end of frill; a forwardly directed process over each fontanelle. Teeth with low median carina and not more than 31 vertical rows.