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Ceratosaurus

Reptilia -

Taxonomy
Ceratosaurus was named by Marsh (1884). Its type is Ceratosaurus nasicornis. It is the type genus of Ceratosauridae, Ceratosauroidea.

It was synonymized subjectively with Megalosaurus by Lydekker (1893).

It was assigned to Theropoda by Dollo (1885); to Coeluridae by von Zittel (1911); to Pachypodosauria by Huene (1914); to Theropoda by Gadow (1897) and Joleaud (1922); to Megalosaurinae by Nopcsa (1928); to Coelurosauria by Huene (1923) and Walker (1964); to Coelurosauria by Reig (1970); to Ceratosauria by Benton (1990); to Megalosaurinidae by Baur (1891), Williston (1905), Janensch (1920), Matthew and Brown (1922), Piveteau (1923), Lull (1924), Romer (1956), Romer (1966), Colbert and Russell (1969), Steel (1970), Swinton (1970), Galton (1977), Dong et al. (1978), McIntosh (1981) and Miller et al. (1991); to Theropoda by Currie (1995); to Ceratosauroidea by Sereno (1997), Sereno (1998), Sampson et al. (1998) and Sereno (1999); to Neoceratosauria by Novas (1991), Novas (1992), Holtz (1994), Pérez-Moreno et al. (1994), Holtz (1995), Rowe et al. (1997), Holtz (1998), Holtz (2000), Lamanna et al. (2002), Carrano et al. (2002), Tykoski and Rowe (2004) and Tortosa et al. (2013); to Ceratosauridae by Vetter (1884), Dollo (1884), Marsh (1884), Marsh (1884), Marsh (1885), Cope (1885), Zittel (1890), Marsh (1895), Depéret (1896), Marsh (1896), Mansel-Pleydell (1902), Hay (1902), Huene (1909), Gilmore (1920), Huene (1926), Stromer (1934), Tatarinov (1964), Osmolska (1981), Russell (1984), Welles (1984), Paul (1988), Carroll (1988), Bonaparte et al. (1990), Bonaparte (1991), Bakker et al. (1992), Knoll et al. (1999), Chure et al. (2006), Mateus et al. (2006), Soto and Perea (2008) and Hendrickx and Mateus (2014); and to Ceratosauria by Gauthier (1986), Rowe (1989), Rowe and Gauthier (1990), Currie (1997), Rauhut (2003), Sereno et al. (2004), Yates (2005), Smith (2007), Carrano and Sampson (2008), Ezcurra et al. (2010), Ruiz et al. (2011), Carrano et al. (2012) and Gianechini et al. (2015).

Synonymy list
YearName and author
1884Ceratosaurus Dollo p. 298
1884Ceratosaurus Marsh p. 69
1884Ceratosaurus Vetter p. 363
1885Ceratosaurus Cope p. 68
1885Ceratosaurus Dollo p. 41
1885Ceratosaurus Marsh p. 765
1890Ceratosaurus Zittel p. 727
1891Ceratosaurus Baur p. 450
1895Ceratosaurus Marsh
1896Ceratosaurus Depéret pp. 184-185
1896Ceratosaurus Marsh p. 240
1897Ceratosaurus Gadow p. 204
1902Ceratosaurus Hay p. 493
1902Ceratosaurus Mansel-Pleydell p. lxxviii
1905Ceratosaurus Williston p. 345
1909Ceratosaurus Huene p. 15
1911Ceratosaurus von Zittel p. 281
1914Ceratosaurus Huene p. 157
1920Ceratosaurus Gilmore p. 76
1920Ceratosaurus Janensch p. 230
1922Ceratosaurus Joleaud p. 60
1922Ceratosaurus Matthew and Brown p. 369
1923Ceratosaurus Huene p. 457
1923Ceratosaurus Piveteau p. 6
1924Ceratosaurus Lull p. 229
1926Ceratosaurus Huene p. 96
1928Ceratosaurus Nopcsa p. 183
1934Ceratosaurus Stromer p. 80
1956Ceratosaurus Romer p. 615
1964Ceratosaurus Tatarinov p. 538
1964Ceratosaurus Walker p. 114
1966Ceratosaurus Romer p. 369
1969Ceratosaurus Colbert and Russell pp. 36-37
1970Ceratosaurus Reig p. 278
1970Ceratosaurus Steel p. 30
1970Ceratosaurus Swinton p. 145
1977Ceratosaurus Galton p. 230
1978Ceratosaurus Dong et al.
1981Ceratosaurus McIntosh p. 8
1981Ceratosaurus Osmolska p. 80
1984Ceratosaurus Russell p. 22
1984Ceratosaurus Welles p. 177
1986Ceratosaurus Gauthier p. 9
1988Ceratosaurus Carroll
1988Ceratosaurus Paul pp. 275-276
1989Ceratosaurus Rowe
1990Ceratosaurus Benton p. 19
1990Ceratosaurus Bonaparte et al. pp. 35-36
1990Ceratosaurus Rowe and Gauthier p. 152
1991Ceratosaurus Bonaparte p. 22
1991Ceratosaurus Miller et al. p. 40
1991Ceratosaurus Novas p. 401
1992Ceratosaurus Bakker et al. p. 10
1992Ceratosaurus Novas p. 142
1994Ceratosaurus Holtz, Jr.
1994Ceratosaurus Pérez-Moreno et al. p. 184 fig. 1
1995Ceratosaurus Currie p. 25A
1995Ceratosaurus Holtz, Jr. p. 35A
1997Ceratosaurus Currie p. 732
1997Ceratosaurus Rowe et al. p. 108
1997Ceratosaurus Sereno p. 455
1998Ceratosaurus Holtz, Jr. p. 39
1998Ceratosaurus Sampson et al. p. 1051
1998Ceratosaurus Sereno p. 73 fig. 8
1999Ceratosaurus Knoll et al. p. 107
1999Ceratosaurus Sereno p. 2138 fig. 2
2000Ceratosaurus Holtz, Jr. p. 16 fig. 5
2002Ceratosaurus Carrano et al.
2002Ceratosaurus Lamanna et al. p. 63
2003Ceratosaurus Rauhut p. 141
2004Ceratosaurus Sereno et al. p. 1329 fig. 4
2004Ceratosaurus Tykoski and Rowe p. 48
2005Ceratosaurus Yates p. 118 fig. 9
2006Ceratosaurus Chure et al. p. 236
2006Ceratosaurus Mateus et al. p. 123
2007Ceratosaurus Smith p. 104
2008Ceratosaurus Carrano and Sampson pp. 199-200 fig. 4
2008Ceratosaurus Soto and Perea p. 439
2010Ceratosaurus Ezcurra et al. p. 14 fig. 8
2011Ceratosaurus Ruiz et al. p. 1271
2012Ceratosaurus Carrano et al. p. 248 fig. 7
2013Ceratosaurus Tortosa et al.
2014Ceratosaurus Hendrickx and Mateus
2015Ceratosaurus Gianechini et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
RankNameAuthor
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Theropoda()
Neotheropoda
AverostraPaul 2002
suborderCeratosauria()
genusCeratosaurus

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
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: 1000 kgg
Minimum body mass: 300 kgg
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: solitaryo
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: carnivoreo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2005-08-24 13:06:48
Modified: 2005-08-24 15:06:48
Source: g = genus, o = order
References: Kiessling 2004, 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 (16 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Oxfordian - Early/Lower Kimmeridgian161.2 - 150.8USA (Wyoming) C. sp. (126540)
Kimmeridgian157.3 - 152.1USA (Wyoming) C. sp. (49577)
Kimmeridgian157.3 - 152.1USA (Colorado) C. sp. (154924)
Kimmeridgian157.3 - 152.1Portugal (Leiria) C. sp. (24563)
Kimmeridgian157.3 - 152.1USA (Utah) C. nasicornis (64053) C. sp. (46439)
Kimmeridgian - Tithonian157.3 - 145.0USA (Colorado) C. nasicornis (28366 49652) C. sp. (11611 192453)
Late/Upper Kimmeridgian155.7 - 150.8Portugal (Lourinha) C. nasicornis (156123)
Late/Upper Kimmeridgian155.7 - 150.8Tanzania (Lindi) Labrosaurus stechowi (47151)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0USA (Colorado) C. nasicornis (45975)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0Portugal (Estremadura) C. sp. (49264)
Late/Upper Kimmeridgian - Tithonian155.7 - 145.0USA (Oklahoma) C. sp. (49338)
Early/Lower Tithonian150.8 - 145.0USA (Utah) C. sp. (21852)