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Dilophosaurus

Reptilia -

Synonymy list
YearName and author
1970Dilophosaurus Welles p. 989
1972Dilophosaurus Welles p. 8
1984Dilophosaurus Russell p. 22
1984Dilophosaurus Welles p. 177
1986Dilophosaurus Gauthier p. 9
1987Dilophosaurus Chatterjee p. 186
1988Dilophosaurus Carroll
1988Dilophosaurus Paul p. 268
1989Dilophosaurus Rowe
1990Dilophosaurus Benton p. 19
1990Dilophosaurus Rowe and Gauthier p. 152
1991Dilophosaurus Novas p. 401
1992Dilophosaurus Novas p. 141
1993Dilophosaurus Hu p. 65
1993Dilophosaurus Paul p. 402
1994Dilophosaurus Holtz, Jr.
1994Dilophosaurus Pérez-Moreno et al. p. 184 fig. 1
1997Dilophosaurus Currie p. 732
1997Dilophosaurus Rowe et al. p. 108
1997Dilophosaurus Sereno p. 456
1998Dilophosaurus Sereno p. 73 fig. 8
1999Dilophosaurus Knoll et al. p. 106
1999Dilophosaurus Sereno p. 2138 fig. 2
2000Dilophosaurus Holtz, Jr. pp. 13-15 fig. 5
2003Dilophosaurus Rauhut p. 135
2004Dilophosaurus Carrano and Sampson p. 552
2004Dilophosaurus Tykoski and Rowe p. 48
2005Dilophosaurus Carrano et al. pp. 843-844 fig. 13
2005Dilophosaurus Yates p. 118 fig. 9
2007Dilophosaurus Ezcurra p. 186
2007Dilophosaurus Ezcurra and Cuny p. 78 fig. 6
2007Dilophosaurus Ezcurra and Novas p. 46 fig. 12
2007Dilophosaurus Naish and Martill p. 500
2012Dilophosaurus Carrano et al. p. 248 fig. 7
2014Dilophosaurus Hendrickx and Mateus

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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()
RankNameAuthor
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Theropoda()
Neotheropoda
superfamilyCoelophysoidea
genusDilophosaurus

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
G. S. Paul 1993Total length ~6 m, skeleton fairly robust. Skull length ~500 mm, skull robust, premaxila large, external nares large, large paired crests, maxilla fairly short and deep, antorbital fenestra and fossa modest in size, area anterior and ventral to fossa extensive, ventral edge of antorbital fossa smooth, jugal tetraradiate, orbit modest in size and elongated vertically, quadrate processes of squamosal and quadratojugal robust and do not contact each other, quadrate slopes ventro-posteriorly, post-temporal fenestra closed, mandible fairly deep, mandibular fenestra small, retroarticular process short, teeth large, 12 maxillary teeth, 17 dentary teeth. Cervicals robust, anterior caudal spines moderately short so tail base is curved on top. Scapular blade fairly short and very broad and subrectangular dorsally, forelimbs fairly long. Ilium short and deep, cleft between anterior blade and pubic peduncle very narrow, small postero-dorsal process on ilium, brevis fossa not well exposed in lateral view, pubic shaft straight, ascending process of astragalus fairly tall.
Measurements
partNmean
femur circumference1185.0
fibula circumference157.0
tibia circumference1132.0

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: 100 kgg
Minimum body mass: 300 gg
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 13:08:02
Modified: 2005-08-24 15:08:02
Source: g = genus, o = order
References: Kiessling 2004, Peczkis 1995, Marsh 1875

Age range: Sinemurian or 199.30000 to 190.80000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Hettangian - Sinemurian201.3 - 190.8China (Yunnan) D. sinensis (25125)
Sinemurian199.3 - 190.8India (Andhra Pradesh) D. sp. (68621)
Sinemurian - Pliensbachian199.3 - 182.7USA (Arizona) D. sp. (51896 137287) D. wetherilli (35250) Megalosaurus wetherilli (13409 13410)