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Megalosaurus

Reptilia - Megalosauridae

Taxonomy
Megalosaurus was named by Buckland (1824). It is the type genus of Megalosaurinidae, Megalosauri.

It was reranked as Eutynichnium (Megalosaurus) by Haubold (1971); it was considered a nomen dubium by Allain and Chure (2002).

It was assigned to Ameivoidea by Fitzinger (1826); to Megalosauri by Fitzinger (1843); to Pachypodes by Meyer (1845); to Dinosauria by Owen (1842) and Quenstedt (1852); to Deinosauria by Mantell (1854); to Harpagosauria by Haeckel (1866); to Dinosaurii by Quenstedt (1867); to Goniopoda by Cope (1869); to Theropoda by Dollo (1885); to Goniopoda by Cope (1866) and Cope (1887); to Megalosaurinidae by Lydekker (1888); to Dinosauria by Owen (1857), Owen (1861), Lennier (1870), Seeley (1881), Lydekker (1883), Lydekker (1887) and Mansel-Pleydell (1888); to Theropoda by Sauvage (1896), Gadow (1897), Sauvage (1914) and Joleaud (1922); to Eutynichnium by Haubold (1971); to Megalosauridae by Gardiner (1982); to Carnosauria by Delair (1973) and Zhao (1983); to Carnosauria by Molnar et al. (1990); to Megalosauroidea by Holtz (1995); to Tetanurae by Holtz (1994) and Holtz (2000); to Eustreptospondylidae by Mateus (2006); to Averostra by Benson et al. (2008); to Megalosauridae by d'Orbigny (1849), Gervais (1853), Gervais (1859), Huxley (1870), Sauvage (1882), Marsh (1882), Vetter (1884), Dollo (1884), Marsh (1884), Marsh (1884), Marsh (1885), Lydekker (1885), Zittel (1890), Baur (1891), Sauvage (1895), Marsh (1895), Marsh (1896), Sauvage (1900), Mansel-Pleydell (1902), Hay (1902), Williston (1905), Lambe (1905), Arldt (1909), Huene (1909), von Zittel (1911), Matthew and Brown (1922), Piveteau (1923), Huene (1923), Lull (1924), Depéret and Savornin (1925), Piveteau (1926), Huene (1926), Huene (1927), Depéret and Savornin (1928), Rama Rao (1932), Stromer (1934), Stromer (1934), Swinton (1936), Romer (1956), Bataller (1960), Delair (1960), Tatarinov (1964), Walker (1964), del Corro (1966), Romer (1966), Steel (1970), Swinton (1970), Waldman (1974), Galton (1977), Molnar (1980), Santafé et al. (1982), Buscalioni and Sanz (1984), Welles (1984), Chabli (1986), Carroll (1988), Kurzanov (1989), Bakker et al. (1992), Currie and Zhao (1994), Holtz (1996), Gao (1999), Benson and Barrett (2009), Vila et al. (2011) and Hendrickx and Mateus (2014); and to Megalosaurinae by Nopcsa (1928), Paul (1988), Holtz et al. (2004), Carrano et al. (2012) and Rauhut et al. (2018).

Synonyms
Synonymy list
YearName and author
1824Megalosaurus Buckland p. 391 figs. Pl. 40-47
1826Megalosaurus Fitzinger p. 21
1826Megalosaurus conybearei Ritgen p. 354
1842Megalosaurus Owen p. 103
1843Megalosaurus Fitzinger p. 35
1845Megalosaurus Meyer p. 281
1849Megalosaurus d'Orbigny p. 206
1852Megalosaurus Quenstedt p. 112
1853Megalosaurus Gervais p. 472
1854Megalosaurus Mantell p. 684
1857Megalosaurus Owen p. 1
1859Megalosaurus Gervais p. 465
1861Megalosaurus Owen p. 286
1866Megalosaurus Cope p. 317
1866Megalosaurus Haeckel p. CXXXVI
1867Megalosaurus Quenstedt p. 143
1869Megalosaurus Cope p. 100
1870Megalosaurus Huxley p. 34
1870Megalosaurus Lennier p. 35
1881Megalosaurus Seeley p. 620
1882Megalosaurus Marsh
1882Megalosaurus Sauvage p. 35
1883Megalosaurus Lydekker p. 86
1884Megalosaurus Dollo p. 298
1884Megalosaurus Marsh p. 69
1884Megalosaurus Vetter p. 363
1885Megalosaurus Dollo p. 36
1885Megalosaurus Lydekker p. 37
1885Megalosaurus Marsh p. 764
1887Megalosaurus Cope p. 222
1887Megalosaurus Lydekker p. 78
1888Megalosaurus Lydekker p. 159
1888Megalosaurus Mansel-Pleydell p. 37
1890Megalosaurus Zittel p. 722
1891Megalosaurus Baur p. 450
1895Megalosaurus Marsh
1895Megalosaurus Sauvage p. 470
1896Megalosaurus Marsh p. 239
1896Megalosaurus Sauvage p. 48
1897Megalosaurus Gadow p. 204
1900Megalosaurus Sauvage p. 417
1902Megalosaurus Hay p. 487
1902Megalosaurus Mansel-Pleydell p. lxxviii
1905Megalosaurus Lambe p. 23
1905Megalosaurus Williston p. 345
1909Megalosaurus Arldt p. 262
1909Megalosaurus Huene p. 15
1911Megalosaurus von Zittel p. 282
1914Megalosaurus Sauvage p. 254
1922Megalosaurus Joleaud p. 60
1922Megalosaurus Matthew and Brown p. 369
1923Megalosaurus Huene pp. 450-451, 457
1923Megalosaurus Piveteau p. 6
1924Megalosaurus Lull p. 229
1925Megalosaurus Depéret and Savornin pp. 1109-1110
1926Megalosaurus Huene pp. 87-89
1926Megalosaurus Piveteau p. 34
1927Megalosaurus Huene p. 267
1928Megalosaurus Depéret and Savornin p. 260
1928Megalosaurus Nopcsa p. 183
1932Megalosaurus Rama Rao p. 224
1934Megalosaurus Stromer p. 41
1936Megalosaurus Swinton p. 208
1956Megalosaurus Romer p. 615
1960Megalosaurus Bataller p. 157
1960Megalosaurus Delair p. 77
1964Megalosaurus Tatarinov p. 537
1964Megalosaurus Walker p. 128
1966Megalosaurus Romer p. 369
1966Megalosaurus del Corro p. 2
1970Megalosaurus Steel p. 33
1970Megalosaurus Swinton pp. 142-145
1971Eutynichnium (Megalosaurus) Haubold p. 77
1973Megalosaurus Delair p. 2
1974Megalosaurus Waldman p. 326
1977Megalosaurus Galton p. 230
1980Megalosaurus Molnar p. 137
1982Megalosaurus Gardiner p. 222
1982Megalosaurus Santafé et al. p. 83
1983Megalosaurus Zhao p. 302
1984Megalosaurus Buscalioni and Sanz p. 12
1984Megalosaurus Welles p. 177
1986Megalosaurus Chabli pp. 70-71
1988Megalosaurus Carroll
1988Megalosaurus Paul pp. 280-281
1989Megalosaurus Kurzanov p. 4
1990Megalosaurus Molnar et al. p. 191
1992Megalosaurus Bakker et al. p. 3
1994Megalosaurus Currie and Zhao
1994Megalosaurus Holtz, Jr.
1995Megalosaurus Holtz, Jr. p. 35A
1996Megalosaurus Holtz, Jr. p. 42A
1999Megalosaurus Gao
2000Megalosaurus Holtz, Jr. p. 13 fig. 5
2004Megalosaurus Holtz, Jr. et al. p. 72
2006Megalosaurus Mateus p. 226
2008Megalosaurus Benson et al. p. 420
2009Megalosaurus Benson and Barrett p. 140
2011Megalosaurus Vila et al. p. 158
2012Megalosaurus Carrano et al. p. 248 fig. 7
2014Megalosaurus Hendrickx and Mateus
2018Megalosaurus Rauhut et al. p. 18

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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
Diapsida()
RankNameAuthor
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
Orionides
superfamilyMegalosauroidea()
familyMegalosauridae()
genusMegalosaurus

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
partNmeanminimummaximummedians.d.
fibula circumference2234.0230.0238.0234.05.66
humerus circumference1191.0----
scapula circumference2104.5104.0105.0104.50.707
ulna circumference1142.0----

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: 3000 kgg
Minimum body mass: 1000 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 13:14:42
Modified: 2005-08-24 15:14:42
Source: g = genus, o = order
References: Kiessling 2004, Peczkis 1995, Marsh 1875

Age range: base of the Rhaetian to the top of the Maastrichtian or 208.50000 to 66.00000 Ma

Collections (58 total)


Time interval Ma Country or state Original ID and collection number
Rhaetian208.5 - 201.3France (Franche-Comte) M. sp. (90877)
Early/Lower Jurassic201.3 - 174.1China (Xizang) M. tibetensis (165590)
Middle Jurassic174.1 - 163.5France (Poitou-Charentes) M. sp. (70549)
Middle Jurassic174.1 - 163.5China (Xizang) M. dapukaensis (53673)
Late/Upper Bajocian - Bathonian171.6 - 166.1United Kingdom (England) Loxodonta africana (59715)
Bajocian170.3 - 168.3United Kingdom (England) M. bucklandi (52539) M. sp. (52541 52572 52573)
Bathonian168.3 - 166.1United Kingdom (England) M. sp. (57121 59362)
Early/Lower Bathonian167.7 - 164.7United Kingdom (England) M. bucklandi (52546) M. sp. (31054)
Late/Upper Bathonian167.7 - 164.7United Kingdom (England) M. bucklandi (52550) M. sp. (52551 53520 74835) Theropoda indet. (39075)
Middle Bathonian167.7 - 164.7United Kingdom (England) M. sp. (57140 59357) M. sp., M. bucklandii (57120) Scrotum humanum (59716)
Callovian - Oxfordian166.1 - 157.3Portugal (Coimbra) M. sp. 2 (49214)
Late/Upper Callovian164.7 - 161.2France (Basse-Normandie) M. sp. a (52633) M. sp., M. gracilis (141177)
Middle Callovian164.7 - 161.2United Kingdom (England) M. sp. (59127)
Middle Callovian - Late/Upper Callovian164.7 - 161.2France (Franche-Comté) M. sp. (142143)
Oxfordian163.5 - 157.3France (Charentes) M. sp. (90080)
Late/Upper Oxfordian161.2 - 155.7United Kingdom (England) M. bucklandi (91991)
Middle Oxfordian161.2 - 155.7United Kingdom (England) M. sp. (91992)
Kimmeridgian157.3 - 152.1Poland (West Pomerania) M. sp. (163141)
Kimmeridgian157.3 - 152.1United Kingdom (England) M. sp. (75743)
Early/Lower Kimmeridgian155.7 - 150.8United Kingdom (England) Megalosauridae indet. (38656)
Early/Lower Kimmeridgian155.7 - 150.8Germany (Nordrhein-Westfalen) M. sp. (182492)
Tithonian152.1 - 145.0Tanzania (Lindi) M. sp. (49820)
Middle Tithonian150.8 - 145.0France (Pas-de-Calais) M. insignis (53966)
Late/Upper Berriasian145.0 - 140.2United Kingdom (England) M. sp. (80516)
Berriasian145.0 - 139.8Spain (Castilla y Leon) M. sp. (168026 168028 168030 168031)
Late/Upper Berriasian - Valanginian145.0 - 132.9United Kingdom (England) M. sp. (187192)
Late/Upper Berriasian - Early/Lower Aptian145.0 - 122.46United Kingdom (England) M. sp. (190893)
Early/Lower Valanginian140.2 - 136.4United Kingdom (England) M. sp. (91990)
Barremian129.4 - 125.0Spain (La Rioja) M. sp. (59099 173546 173547 173548 173556 173557 173558)
Early/Lower Aptian125.45 - 122.46United Kingdom (England) M. bucklandi (36581)
Aptian125.0 - 113.0Spain (La Rioja) M. sp. (173545)
Albian113.0 - 100.5France (Lorraine) M. sp. (140021 140022)
Middle Albian109.0 - 105.3France (Marne) M. sp. (139920)
Coniacian89.8 - 86.3Belgium (Hainaut) M. sp. (188778)
Maastrichtian72.1 - 66.0France (Languedoc-Roussillon) M. sp. (91744)