PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Styracosaurus

Reptilia - Ceratopsidae

Taxonomy

Styracosaurus was named by Lambe (1913).

It was assigned to Ceratopsia by Lambe (1913) and Lull (1924); to Monocloniinae by Nopcsa (1928) and Huene (1950); to Monocloninae by Tatarinov (1964); to Pachyrhinosaurinae by Olshevsky and Ford (1994); to Ceratopsidae by Matthew (1915), Gregory and Mook (1925), Huene (1927), Hay (1930), Russell (1930), Lull (1933), Sternberg (1949), Romer (1956), Parsch (1963), Kuhn (1964), Romer (1966), Charig (1967), Swinton (1970), Molnar (1980), Dodson (1983), Russell (1984), Ostrom and Wellnhofer (1986), Clemens (1986), Carroll (1988) and Longrich (2008); to Chasmosaurinae by Farke (2011); to Centrosaurinae by Lambe (1915), Dodson and Currie (1990), Dodson (1990), Lehman (1990), Sampson (1994), Vickaryous and Ryan (1997), Dodson (1997), Eberth et al. (2001), Ryan and Russell (2003), Dodson et al. (2004), Farke (2004), Ryan and Evans (2005), Ryan and Russell (2005), Ryan et al. (2007), Ryan (2007), Longrich (2010), McDonald and Horner (2010), Xu et al. (2010), Ryan et al. (2010), McDonald (2011), Farke et al. (2011), Maidment and Barrett (2011), Fiorillo and Tykoski (2012), Ryan et al. (2012), Holmes and Ryan (2013) and Evans and Ryan (2015); and to Centrosaurini by Ryan et al. (2017).

Species

S. albertensis (syn. Monoclonius nasicornus, S. parksi)

Synonymy list

Year	Name and author
1913	Styracosaurus Lambe p. 109 figs. Pl. 10-12
1915	Styracosaurus Lambe p. 20
1915	Styracosaurus Matthew p. 108 fig. 37
1924	Styracosaurus Lull p. 245
1925	Styracosaurus Gregory and Mook p. 6
1927	Styracosaurus Huene p. 261
1928	Styracosaurus Nopcsa p. 185
1930	Styracosaurus Hay p. 225
1930	Styracosaurus Russell p. 146
1933	Styracosaurus Lull p. 87
1949	Styracosaurus Sternberg p. 41 fig. 1
1950	Styracosaurus Huene p. 351
1956	Styracosaurus Romer p. 639
1963	Styracosaurus Parsch p. 8
1964	Styracosaurus Kuhn p. 58
1964	Styracosaurus Tatarinov p. 583
1966	Styracosaurus Romer p. 371
1967	Styracosaurus Charig p. 717
1970	Styracosaurus Swinton p. 259
1980	Styracosaurus Molnar p. 138
1983	Styracosaurus Dodson p. 94
1984	Styracosaurus Russell p. 25
1986	Styracosaurus Clemens p. 80
1986	Styracosaurus Ostrom and Wellnhofer p. 116
1988	Styracosaurus Carroll
1990	Styracosaurus Dodson p. 241
1990	Styracosaurus Dodson and Currie p. 611
1990	Styracosaurus Lehman p. 212
1994	Styracosaurus Olshevsky and Ford
1994	Styracosaurus Sampson p. 44A
1997	Styracosaurus Dodson p. 476
1997	Styracosaurus Vickaryous and Ryan p. 492
2001	Styracosaurus Eberth et al. p. 59
2003	Styracosaurus Ryan and Russell p. 91A
2004	Styracosaurus Dodson et al. p. 495
2004	Styracosaurus Farke p. 5
2005	Styracosaurus Ryan and Evans p. 328
2005	Styracosaurus Ryan and Russell pp. 1381-3 fig. 10
2007	Styracosaurus Ryan p. 391 fig. 12
2007	Styracosaurus Ryan et al. p. 948
2008	Styracosaurus Longrich p. 994
2010	Styracosaurus Longrich p. 692 fig. 10
2010	Styracosaurus McDonald and Horner p. 160 fig. 10.5
2010	Styracosaurus Ryan et al. p. 185
2010	Styracosaurus Xu et al. p. 1634 fig. 3
2011	Styracosaurus Farke p. 7
2011	Styracosaurus Farke et al. p. 699
2011	Styracosaurus Maidment and Barrett p. 36
2011	Styracosaurus McDonald p. 9
2012	Styracosaurus Fiorillo and Tykoski
2012	Styracosaurus Ryan et al. p. 79
2013	Styracosaurus Holmes and Ryan p. 5
2015	Styracosaurus Evans and Ryan
2017	Styracosaurus Ryan et al. p. 9

Is something missing? Join the Paleobiology Database and enter the data

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

Rank	Name	Author
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Ornithischia	()
—	Genasauria
—	Cerapoda
—	Marginocephalia
—	Ceratopsia	()
family	Ceratopsidae
subfamily	Centrosaurinae
—	Centrosaurini
genus	Styracosaurus

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.

G. †Styracosaurus Lambe 1913

show all | hide all

†Styracosaurus albertensis Lambe 1913

hide

Invalid names: Monoclonius nasicornus Brown 1917 [synonym], Styracosaurus parksi Brown and Schlaikjer 1937 [synonym]

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

Maximum body mass:

3000 kgg

Minimum body mass:

1000 kgg

Architecture:

compact or denseo

Ontogeny:

accretion, modification of partso

Grouping:

gregariouso

Environment:

terrestrialsubo

Locomotion:

actively mobileo

Life habit:

ground dwellingsubo

Diet:

herbivoresubo

Reproduction:

oviparouso

Dispersal:

direct/internalo

Dispersal 2:

mobileo

Created:

2005-08-25 05:46:14

Modified:

2005-08-25 07:46:14

Source: g = genus, subo = suborder, o = order

References: Marsh 1875, Norman and Weishampel 1991, Peczkis 1995

Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma

Collections (10 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Campanian	83.5 - 70.6	Canada (Alberta)	Monoclonius nasicornus (13339) Monoclonius sp. (35511) S. albertensis (52487 77259 77261 77265 77266 143007) S. sp. (22655 59222)