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Ceratosaurus

Reptilia

Taxonomy
Ceratosaurus was named by Marsh (1884).

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

It was assigned to Megalosauridae by Nopcsa (1901); to Theropoda by Dollo (1885), Gadow (1898), Gadow (1901); to Coeluridae by von Zittel (1911); to Pachypodosauria by Huene (1914); to Theropoda by Gadow (1897), Joleaud (1922); to Megalosaurinae by Nopcsa (1928); to Coelurosauria by Huene (1923), Kuhn (1939), Walker (1964); to Coelurosauria by Reig (1970); to Megalosauridae by Matthew and Brown (1922), Romer (1956), Madsen and Miller (1979); to Ceratosauria by Benton (1990); to Megalosaurinidae by Baur (1891), Williston (1905), Janensch (1920), Piveteau (1923), Lull (1924), Romer (1966), Colbert and Russell (1969), Steel (1970), Swinton (1970), Galton (1977), Dong et al. (1978), McIntosh (1981), Miller et al. (1991); to Theropoda by Currie (1995); to Ceratosauroidea by Sereno (1997), Sereno (1998), Sampson et al. (1998), 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), Tortosa et al. (2014); 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), Gianechini et al. (2015); and to Ceratosauridae by Vetter (1884), Dollo (1884), Marsh (1884), Marsh (1884), Marsh (1885), Cope (1885), Zittel (1890), Winkler (1893), Marsh (1895), Depéret (1896), Marsh (1896), Mansel-Pleydell (1902), Hay (1902), Huene (1909), Gilmore (1920), Huene (1926), Hay (1930), 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), Hendrickx and Mateus (2014), Delcourt (2018).

Synonyms
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
1893Ceratosaurus Winkler p. 108
1895Ceratosaurus Marsh
1896Ceratosaurus Depéret pp. 184-185
1896Ceratosaurus Marsh p. 240
1897Ceratosaurus Gadow p. 204
1898Ceratosaurus Gadow p. 22
1901Ceratosaurus Gadow p. 422
1901Ceratosaurus Nopcsa p. 199
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
1920Labrosaurus stechowi Janensch figs. 7-8
1920Ceratosaurus Janensch p. 230
1920Labrosaurus stechowi Janensch pp. 232-233 figs. 7-8
1922Ceratosaurus Joleaud p. 60
1922Ceratosaurus Matthew and Brown p. 369
1923Ceratosaurus Huene p. 457
1923Ceratosaurus Piveteau p. 6
1924Ceratosaurus Lull p. 229
1925Labrosaurus stechowi Janensch pp. 86-90
1926Ceratosaurus Huene p. 96
1928Ceratosaurus Nopcsa p. 183
1930Ceratosaurus Hay p. 175
1934Ceratosaurus Stromer p. 80
1939Ceratosaurus Kuhn p. 41
1939Labrosaurus stechowi Kuhn p. 43
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.
1979Ceratosaurus Madsen and Miller p. 5
1981Ceratosaurus McIntosh p. 8
1981Ceratosaurus Osmolska p. 80
1984Ceratosaurus Russell p. 22
1984Ceratosaurus Welles p. 177
1986Antrodemus stechowi Chabli p. 70
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
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
2006Labrosaurus stechowi Mateus p. 231
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
2014Ceratosaurus Hendrickx and Mateus
2014Ceratosaurus Tortosa et al. p. 70
2015Ceratosaurus Gianechini et al.
2018Ceratosaurus Delcourt p. 3

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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
RankNameAuthor
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—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.

G. †Ceratosaurus Marsh 1884
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Invalid names: Ceratosaurus dentisulcatus Madsen Jr. and Welles 2000 [synonym], Ceratosaurus magnicornis Madsen Jr. and Welles 2000 [synonym]
Invalid names: Ceratosaurus stechowi Janensch 1920 [nomen dubium]
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: Marsh 1875, Peczkis 1995

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

Collections (29 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 (Utah) C. nasicornis (64053)
Kimmeridgian157.3 - 152.1USA (Colorado) C. sp. (154924)
Kimmeridgian157.3 - 152.1Portugal (Leiria) C. sp. (24563)
Kimmeridgian - Tithonian157.3 - 145.0Uruguay (Tacuarembó) C. sp. (83729 213192)
Kimmeridgian - Tithonian157.3 - 145.0USA (Utah) C. sp. (220417)
Kimmeridgian - Tithonian157.3 - 145.0USA (Wyoming) C. sp. (230770 231545 231549 231567)
Kimmeridgian - Tithonian157.3 - 145.0USA (Colorado) C. nasicornis (49652) C. sp. (11611 192453)
Late/Upper Kimmeridgian155.7 - 150.8Tanzania (Lindi) Labrosaurus stechowi (47151)
Late/Upper Kimmeridgian155.7 - 150.8Portugal (Estremadura) C. sp. (49264)
Late/Upper Kimmeridgian155.7 - 150.8Portugal (Lisboa) C. sp. (108808)
Late/Upper Kimmeridgian155.7 - 150.8Portugal (Centro) C. nasicornis (156123)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0Portugal (Lisboa) C. sp. (49230)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0USA (Wyoming) C. sp. (49577)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0USA (Colorado) C. nasicornis (28366 45975)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0Tanzania (Lindi) Labrosaurus stechowi (213406 213431)
Late/Upper Kimmeridgian - Tithonian155.7 - 145.0USA (Oklahoma) C. sp. (49338 49596)
Tithonian152.1 - 145.0USA (Utah) C. sp. (46439)
Early/Lower Tithonian150.8 - 145.0USA (Utah) C. sp. (21852 231581)