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Taxon: Species †Allosaurus fragilis Marsh, 1877 (dinosaur)
 Entity: 

Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Family) Allosauridae

Included, by definition, in node-based clade

Avetheropoda (Clade) Paul 1988 [Padian et al. 1999] Ref: C. Hendrickx et al., 2015: table (p. 61) (modified from Holtz et al., 2004).
Orionides (Clade) Carrano, Benson & Sampson 2012 Ref: C. Hendrickx et al., 2015: table (p. 69) (modified from Carrano et al., 2012).

Included, by definition, in branch-based clade

†Allosauria (Clade) Paul 1988 [Hendrickx, Hartman & Mateus 2015] Ref: C. Hendrickx et al., 2015: table (p. 60).
†Allosauridae (Clade) Marsh 1878 [Padian & Hutchinson 1997] Ref: C. Hendrickx et al., 2015: table (p. 60) (Sereno, 2005).
†Allosauroidea (Clade) Currie & Zhao 1993 [Padian & Hutchinson 1997] Ref: C. Hendrickx et al., 2015: table (p. 60) (Sereno, 2005).

Excluded, by definition, from branch-based clade

†Carcharodontosauria (Clade) Benson, Carrano & Brusatte 2010 Ref: R.B.J. Benson et al., 2010: 75.
†Carcharodontosauria (Clade) Benson, Carrano & Brusatte 2010 Ref: C. Hendrickx et al., 2015: table (p. 62) (Benson et al., 2010).
†Carcharodontosauridae (Clade) Stromer 1931 [Sereno 1998] Ref: C. Hendrickx et al., 2015: table (p. 62) (Benson et al., 2010).
†Coeluridae (Clade) Marsh 1881 [Hendrickx, Hartman & Mateus 2015] Ref: C. Hendrickx et al., 2015: table (p. 64).
Coelurosauria (Clade) Huene 1914 [Gauthier 1986] Ref: C. Hendrickx et al., 2015: table (p. 64) (Sereno, 2005).
†Megalosauria (Clade) Bonaparte 1850 [Allain et al. 2012] Ref: C. Hendrickx et al., 2015: table (p. 66) (Allain et al., 2012).
†Megalosauridae (Clade) Bonaparte 1850 [Allain 2002] Ref: C. Hendrickx et al., 2015: table (p. 66) (Holtz et al., 2004).
†Megaraptora (Clade) Benson, Carrano & Brusatte 2010 Ref: R.B.J. Benson et al., 2010: 76.
†Megaraptora (Clade) Benson, Carrano & Brusatte 2010 Ref: C. Hendrickx et al., 2015: table (p. 67) (Benson et al., 2010).
†Megaraptoridae (Clade) Novas et al. 2013 Ref: C. Hendrickx et al., 2015: table (p. 67) (Novas et al., 2013).
†Megaraptoridae (Clade) Novas et al. 2013 Ref: C. Hendrickx et al., 2015: table (p. 67) (modified from Novas et al., 2013).
†Metriacanthosauridae (Clade) Carrano et al. 2012 [Padian & Hutchinson 1997] Ref: C. Hendrickx et al., 2015: table (p. 67) (modified from Sereno, 2005).
†Neovenatoridae (Clade) Benson, Carrano & Brusatte 2010 Ref: R.B.J. Benson et al., 2010: 75.
†Neovenatoridae (Clade) Benson, Carrano & Brusatte 2010 Ref: C. Hendrickx et al., 2015: table (p. 68) (Benson et al., 2010).
†Ornithomimosauria (Clade) Barsbold 1976 [Osmólska 1997] Ref: C. Hendrickx et al., 2015: table (p. 69) (Lee et al., 2014).
†Proceratosauridae (Clade) Rauhut et al. 2010 Ref: C. Hendrickx et al., 2015: table (p. 70) (Rauhut et al., 2010).
†Spinosauridae (Clade) Stromer 1915 [Sereno 1998] Ref: C. Hendrickx et al., 2015: table (p. 71) (Sereno, 2005).

Current position

†Allosaurus (Genus) Marsh, 1877 Ref: M.T. Carrano et al., 2012: App. 1 (p. 292).

Historical positions

†Allosaurus (Genus) Marsh, 1877 Ref: M.T. Carrano et al., 2012: App. 1 (p. 292).
†Allosaurus (Genus) Marsh, 1877 Ref: C.F. Kammerer et al., 2012(2011): 282 (fig. 4).
†Allosaurus (Genus) Marsh, 1877 Ref: S.J. Nesbitt, 2011: 56.

Number of Subtaxa

2026 Available in Systema Naturae 2000 †1
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Last updated: 28 Aug 2026