Concise hierarchy

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

Included, by definition, in branch-based clade

†Piatnitzkysauridae (Clade) Carrano, Benson & Sampson 2012

Ref: M.T. Carrano et al., 2012: 251.

Current position

†Piatnitzkysauridae (Family) Carrano, Benson & Sampson, 2012

Ref: M.T. Carrano et al., 2012: App. 1 (p. 291).

Alternative positions

†Allosauridae (Family) Marsh, 1878	Ref: D. Lambert & the Diagram Group, 1991(1997): 130.
†Eustreptospondylinae (Clade) Paul 1988	Ref: T.R. Holtz Jr. et al., 2004: table 4.1 (p. [72]).
†Piatnitskysauridae (Clade) Hendrickx, Hartman & Mateus 2015, nom. null.	Ref: C. Hendrickx et al., 2015: 11 (fig. 4). [misplaced]
†Piatnitzkysauridae (Clade) Carrano, Benson & Sampson 2012	Ref: C. Hendrickx et al., 2015: 11 (fig. 4). [implicit]

Historical positions

†Piatnitzkysauridae (Clade) Carrano, Benson & Sampson 2012	Ref: C. Hendrickx et al., 2015: 11 (fig. 4). [implicit]
†Piatnitskysauridae (Clade) Hendrickx, Hartman & Mateus 2015, nom. null.	Ref: C. Hendrickx et al., 2015: 11 (fig. 4). [misplaced]
†Piatnitzkysauridae (Family) Carrano, Benson & Sampson, 2012	Ref: M.T. Carrano et al., 2012: App. 1 (p. 291), fig. 8A.
†Eustreptospondylinae (Clade) Paul 1988	Ref: T.R. Holtz Jr. et al., 2004: table 4.1 (p. [72]), 95 (fig. 4.20).
†Allosauridae (Family) Marsh, 1878	Ref: D. Lambert & the Diagram Group, 1991(1997): 130.

Number of Subtaxa

2025	Available in Systema Naturae 2000	†1s
1989-present	Systema Naturae 2000: 31 Dec 2018	[; †1s]