Allosauroidea

Skeletal mount of Allosaurus fragilis, from here.

Belongs within: Tetanurae.

The Allosauroidea are a clade of large theropods known from the Late Jurassic and Cretaceous (Ortega et al. 2010). The best known species is Allosaurus fragilis, of which numerous remains have been recovered from the late Jurassic Morrison Formation of the United States; average members of this species reached about 8.5 metres in length.

<==Allosauroidea
    |  i. s.: Piveteausaurus Taquet & Welles 1977 APS03, HMC04
    |           `--P. divesensis (Walker 1964) HMC04 (see below for synonymy)
    |         Erectopus Huene 1921 APS03, HMC04
    |           |--E. sauvagei Huene 1932 HMC04
    |           `--E. superbus (Sauvage 1882) [=Megalosaurus superbus] HMC04
    |--Sinraptoridae OES10
    |    |  i. s.: Yangchuanosaurus Dong, Chang et al. 1978 HMC04
    |    |           |--Y. longqiaoensis D07
    |    |           |--Y. magnus Dong, Zhou & Zhang 1983 HMC04
    |    |           |--Y. shangyouensis Dong, Chang et al. 1978 HMC04 [=Metriacanthosaurus shangyouensis P88]
    |    |           `--Y. yandonensis D07
    |    |--Lourinhanosaurus Mateus 1998 OES10, HMC04
    |    |    `--L. antunesi Mateus 1998 HMC04
    |    `--+--Metriacanthosaurus Walker 1964 OES10, HMC04 [Metriacanthosaurinae]
    |       |    `--M. parkeri (Huene 1923) [=Megalosaurus parkeri] HMC04
    |       `--Sinraptor Currie & Zhao 1993 OES10, HMC04
    |            |--S. dongi Currie & Zhao 1993 [=S. heping (l. c.)] HMC04
    |            `--S. hepingensis (Gao 1992) [=Yangchuanosaurus hepingensis] HMC04
    `--+--Allosauridae HMC04
       |    |--Saurophaganax Chure 1996 [incl. Saurophagus Ray 1941] HMC04
       |    |    `--S. maximus (Ray 1941) HMC04 [=Saurophagus maximus HMC04, Allosaurus maximus D07]
       |    `--Allosaurus Marsh 1877 OES10, HMC04 (see below for synonymy)
       |         |--A. fragilis Marsh 1877 HMC04 (see below for synonymy)
       |         |--A. medius Marsh 1888 (n. d.) HMC04
       |         |--‘Creosaurus’ potens Lull 1911 (n. d.) HMC04
       |         |--A. tendagurensis Janensch 1925 HMC04
       |         `--A. whitei D07
       `--Carcharodontosauria OES10
            |--Neovenatoridae OES10
            |    |  i. s.: Siamotyrannus Buffetaut, Suteethorn & Ton 1996 HMC04
            |    |           `--S. isanensis Buffetaut, Suteethorn & Tong 1996 HMC04
            |    |--Neovenator Hutt, Martill & Barker 1996 OES10, HMC04
            |    |    `--N. salierii Hutt, Martill & Barker 1996 HMC04
            |    `--+--+--Aerosteon OES10
            |       |  `--Megaraptor Novas 1998 OES10, NM04
            |       |       `--M. namunhuaiquii Novas 1998 NM04
            |       `--+--Australovenator OES10
            |          `--Fukuiraptor Azuma & Currie 2000 OES10, HMC04 [incl. Katsuyamasaurus D07, Kitadanisaurus D07]
            |               `--F. kitadaniensis Azuma & Currie 2000 HMC04
            `--Carcharodontosauridae OES10
                 |  i. s.: Bahariasaurus Stromer 1934 F12, HMC04
                 |           `--B. ingens Stromer 1934 HMC04
                 |--Eocarcharia dinops OES10, F12
                 `--+--Concavenator Ortega, Escaso & Sanz 2010 OES10
                    |    `--*C. corcovatus Ortega, Escaso & Sanz 2010 OES10
                    `--+--Acrocanthosaurus Stovall & Langston 1950 OES10, HMC04
                       |    `--A. atokensis Stovall & Langston 1950 HMC04
                       `--+--Saochilong OES10
                          `--+--Tyrannotitan chubutensis OES10, F12
                             `--+--Carcharodontosaurus Stromer 1931 OES10, HMC04
                                |    `--C. saharicus (Depéret & Savornin 1927) (see below for synonymy) HMC04
                                `--+--Mapusaurus roseae OES10, F12
                                   `--Giganotosaurus Coria & Salgado 1995 XW12, HMC04
                                        `--G. carolinii Coria & Salgado 1995 HMC04

Allosaurus Marsh 1877 OES10, HMC04 [incl. Antrodemus Leidy 1870 HMC04, Apatodon N85, Creosaurus Marsh 1878 HMC04, Empaterias N85, Epanterias Cope 1878 HMC04, Epantherias N85, Labrosaurus Marsh 1879 HMC04]

Allosaurus fragilis Marsh 1877 HMC04 [=Antrodemus fragilis P88; incl. Epanterias amplexus Cope 1878 HMC04, Allosaurus amplexus P88, Creosaurus atrox Marsh 1878 HMC04, Al. atrox HMC04, Hypsirhophus discurus Cope 1878 HMC04, Al. ferox Marsh 1896 HMC04, Labrosaurus ferox HMC04, Al. lucaris Marsh 1878 HMC04, Laelaps trihedrodon Cope 1877 HMC04, Al. trihedrodon D07, Poicilopleuron valens Leidy 1870 HMC04, Antrodemus valens N85]

Carcharodontosaurus saharicus (Depéret & Savornin 1927) [=Megalosaurus saharicus; incl. M. africanus Huene 1956] HMC04

Piveteausaurus divesensis (Walker 1964) HMC04 [=Eustreptospondylus divesensis HMC04, Proceratosaurus divesensis P88]

*Type species of generic name indicated

REFERENCES

[APS03] Allain, R., & X. Pereda Suberbiola. 2003. Dinosaurs of France. Comptes Rendus Palevol 2 (1): 27–44.

[D07] Dixon, D. 2007. The Complete Illustrated Encyclopedia of Dinosaurs & Prehistoric Creatures. Hermes House: London.

[F12] Fanti, F. 2012. Cretaceous continental bridges, insularity, and vicariance in the Southern Hemisphere: which route did the dinosaurs take? In: Talent, J. A. (ed.) Earth and Life: Global biodiversity, extinction intervals and biogeographic perturbations through time pp. 883–911. Springer.

[HMC04] Holtz, T. R., Jr, R. E. Molnar & P. J. Currie. 2004. Basal Tetanurae. In: Weishampel, D. B., P. Dodson & H. Osmólska (eds) The Dinosauria 2^nd ed. pp. 71–110. University of California Press: Berkeley.

[NM04] Norell, M. A., & P. J. Makovicky. 2004. Dromaeosauridae. In: Weishampel, D. B., P. Dodson & H. Osmólska (eds) The Dinosauria 2^nd ed. pp. 196–209. University of California Press: Berkeley.

[N85] Norman, D. 1985 (reprinted 2000). The Illustrated Encyclopedia of Dinosaurs. Salamander Books: London.

[OES10] Ortega, F., F. Escaso & J. L. Sanz. 2010. A bizarre, humped Carcharodontosauria (Theropoda) from the Lower Cretaceous of Spain. Nature 467: 203–206.

[P88] Paul, G. S. 1988. Predatory Dinosaurs of the World: A Complete Illustrated Guide. Simon & Schuster: New York.

[XW12] Xu, X., K. Wang, K. Zhang, Q. Ma, L. Xing, C. Sullivan, D. Hu, S. Cheng & S. Wang. 2012. A gigantic feathered dinosaur from the Lower Cretaceous of China. Nature 484: 92–95.

Last updated: 11 July 2018.