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Metriacanthosaurus parkeri

Reptilia - Metriacanthosauridae

Taxonomy
Megalosaurus parkeri was named by Huene (1923). Its type specimen is OUM J.12144, a set of vertebrae, and it is a 3D body fossil. Its type locality is Jordan's Cliff, Weymouth (OUM), which is in an Oxfordian marine claystone in the Oxford Clay Formation of the United Kingdom.

It was recombined as Metriacanthosaurus parkeri by Walker (1964), Steel (1970), Swinton (1970), Paul (1988), Martill (1988), Buffetaut et al. (1995), Buffetaut (1997), Holtz et al. (2004), Naish and Martill (2007), Benson and Barrett (2009), Carrano et al. (2012).

Synonymy list
YearName and author
1923Megalosaurus parkeri Huene p. 76 figs. 47-53
1926Megalosaurus parkeri Huene p. 76 figs. 47-53
1936Megalosaurus parkeri Stromer p. 65
1939Megalosaurus parkeri Kuhn p. 70
1960Megalosaurus parkeri Delair p. 78
1964Metriacanthosaurus parkeri Walker p. 109 fig. 16
1970Metriacanthosaurus parkeri Steel p. 36
1970Metriacanthosaurus parkeri Swinton p. 143
1988Metriacanthosaurus parkeri Martill p. 186
1988Metriacanthosaurus parkeri Paul p. 293
1995Metriacanthosaurus parkeri Buffetaut et al. p. 70
1997Metriacanthosaurus parkeri Buffetaut p. 213
2004Metriacanthosaurus parkeri Holtz, Jr. et al. p. 73
2007Metriacanthosaurus parkeri Naish and Martill p. 502
2009Metriacanthosaurus parkeri Benson and Barrett p. 139
2012Metriacanthosaurus parkeri Carrano et al. p. 237

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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
subclassEureptilia()
—Romeriida
RankNameAuthor
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
superfamilyAllosauroidea
familyMetriacanthosauridae
subfamilyMetriacanthosaurinae
genusMetriacanthosaurus
speciesparkeri()

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.

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Diagnosis
ReferenceDiagnosis
M. T. Carrano et al. 2012Allosauroid with ventral surfaces of posterior dorsal centra flat and with breadth approximately 2/3 posterior height of centrum (Benson 2009a).
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
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 13:29:12
Modified: 2005-08-24 15:29:12
Source: g = genus, o = order
References: Peczkis 1995, Marsh 1875

Age range: Early/Lower Oxfordian or 161.50000 to 154.80000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Oxfordian161.5 - 154.8United Kingdom (England) Megalosaurus sp. (type locality: 52556)