PBDB Taxon

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

Centrosaurus

Reptilia - Ceratopsidae

Taxonomy

Centrosaurus was named by Lambe (1905). It is the type genus of Centrosaurinae, Centrosaurini.

It was synonymized subjectively with Monoclonius by Lull (1924), Romer (1956), Tatarinov (1964) and Kuhn (1964); it was replaced with Eucentrosaurus by Chure and McIntosh (1989) and Olshevsky and Ford (1994).

It was assigned to Agathaumidae by Lull (1906); to Ceratopsidae by Lambe (1905), Huene (1909), von Zittel (1911), Abel (1924), Gregory and Mook (1925), Huene (1927), Hay (1930), Russell (1930), Lull (1933), Parks (1935), Sternberg (1940), Sternberg (1949), Parsch (1963), Romer (1966), Molnar (1980), Lehman (1981), McIntosh (1981), Dodson (1983), Russell (1984), Clemens (1986), Carroll (1988), Makovicky (2001), You and Dodson (2003) and Longrich (2008); to Centrosaurinae by Lambe (1915), Dodson and Currie (1990), Dodson (1990), Lehman (1990), Sampson (1994), Lehman (1996), 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 (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

C. apertus (syn. Monoclonius cutleri, Monoclonius flexus, Monoclonius dawsoni, C. longirostris)

Synonymy list

Year	Name and author
1905	Centrosaurus Lambe
1906	Centrosaurus Lull p. 144
1909	Centrosaurus Huene p. 17
1911	Centrosaurus von Zittel p. 296
1915	Centrosaurus Lambe p. 20
1924	Centrosaurus Abel p. 712
1925	Centrosaurus Gregory and Mook p. 6
1927	Centrosaurus Huene p. 261
1930	Centrosaurus Hay p. 224
1930	Centrosaurus Russell p. 149
1933	Centrosaurus Lull p. 84
1935	Centrosaurus Parks p. 194
1940	Centrosaurus Sternberg p. 473
1949	Centrosaurus Sternberg p. 41 fig. 1
1963	Centrosaurus Parsch p. 8
1966	Centrosaurus Romer p. 371
1980	Centrosaurus Molnar p. 138
1981	Centrosaurus Lehman p. 207
1981	Centrosaurus McIntosh p. 41
1983	Centrosaurus Dodson p. 94
1984	Centrosaurus Russell p. 25
1986	Centrosaurus Clemens p. 80
1988	Centrosaurus Carroll
1990	Centrosaurus Dodson p. 241
1990	Centrosaurus Dodson and Currie p. 611
1990	Centrosaurus Lehman p. 212
1994	Centrosaurus Sampson p. 44A
1996	Centrosaurus Lehman p. 506
1997	Centrosaurus Dodson p. 476
1997	Centrosaurus Vickaryous and Ryan p. 492
2001	Centrosaurus Eberth et al. p. 57
2001	Centrosaurus Makovicky p. 254 fig. 18.3
2003	Centrosaurus Ryan and Russell p. 91A
2003	Centrosaurus You and Dodson
2004	Centrosaurus Dodson et al. p. 495
2004	Centrosaurus Farke p. 5
2005	Centrosaurus Ryan and Evans p. 327
2005	Centrosaurus Ryan and Russell p. 1370
2007	Centrosaurus Ryan p. 391 fig. 12
2008	Centrosaurus Longrich p. 994
2010	Centrosaurus Longrich p. 692 fig. 10
2010	Centrosaurus McDonald and Horner p. 160 fig. 10.5
2010	Centrosaurus Ryan et al. p. 185
2010	Centrosaurus Xu et al. p. 1634 fig. 3
2011	Centrosaurus Farke et al. p. 699
2011	Centrosaurus Maidment and Barrett p. 36
2011	Centrosaurus McDonald p. 9
2012	Centrosaurus Fiorillo and Tykoski
2012	Centrosaurus Ryan et al. p. 79
2013	Centrosaurus Holmes and Ryan p. 23
2015	Centrosaurus Evans and Ryan
2017	Centrosaurus 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	Centrosaurus

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. †Centrosaurus Lambe 1905

show all | hide all

†Centrosaurus apertus Lambe 1905

hide

Invalid names: Centrosaurus longirostris Sternberg 1940 [synonym], Monoclonius cutleri Brown 1917 [synonym], Monoclonius dawsoni Lambe 1902 [synonym], Monoclonius flexus Brown 1914 [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 05:46:58

Modified:

2005-08-25 07:46:58

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

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

Age range: base of the Late/Upper Campanian to the top of the Campanian or 83.50000 to 72.10000 Ma

Collections (46 total)

Time interval	Ma	Country or state	Original ID and collection number
Campanian	83.6 - 72.1	Canada (Alberta)	Monoclonius cutleri (13340)
Campanian - Maastrichtian	83.6 - 66.0	USA (Colorado)	C. sp. (189580)
Late/Upper Campanian	83.5 - 70.6	Canada (Alberta)	C. apertus (11894 22659 58758 58945 59016 59018 59046 64427 65827 65895 65901 65903 65908 65925 65926 65928 65931 65932 221937) C. sp. (22657 58910 58952 59109 59110 64336 65904 65906 67893 163047) C. sp., Ceratops sp. (59025) Ceratops sp. (58950 59039) Ceratopsidae indet. (65924 65927) Monoclonius dawsoni, Monoclonius dawsoni (74657) Monoclonius flexus (58962 191270) Monoclonius sp. (55352 75476) Styracosaurus albertensis (65929)
Middle Campanian	83.5 - 70.6	USA (Montana)	C. sp. (14437)
Middle Campanian - Late/Upper Campanian	83.5 - 70.6	Canada (Alberta)	C. sp. (53892) Monoclonius sp. (59118)
Middle Campanian - Late/Upper Campanian	83.5 - 70.6	USA (Montana)	C. sp. (50909)