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Under construction
Total clade: Pseudosuchia Zittel 1887-1890 [Gauthier & Padian 1985] (reptile)
 Entity: 

Concise hierarchy

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

Branch-based clade

Pseudosuchia (Clade) Zittel 1887-1890 [Gauthier & Padian 1985] Ref: S.J. Nesbitt, 2011: 194 (sensu Sereno, 2005).

Current position

Archosauria (Clade) Cope 1869 [Gauthier & Padian 2020] Ref: M.D. Ezcurra et al., 2020: ext. data fig. 4; =Sereno, 2005; Ezcurra, 2016: 299 (Sereno, 2005).

Alternative positions

Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. Ref: S.J. Nesbitt, 2011: 194; Nesbitt, 2011: fig. 51.
Suchia (Clade) Krebs 1974 [Sereno 1991] Ref: M.J. Benton, 1990: 16.

Historical positions

Archosauria (Clade) Cope 1869 [Gauthier & Padian 2020] Ref: M.D. Ezcurra et al., 2020: ext. data fig. 4.
Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. Ref: S.J. Nesbitt, 2011: 194, fig. 51.
Suchia (Clade) Krebs 1974 [Sereno 1991] Ref: M.J. Benton, 1990: 16.

Number of Subtaxa

2026 Available in Systema Naturae 2000 1o;4f;9g;25s;16ss; ‡1g;1s; †8o;44f;318g;165s;45
1989-present Systema Naturae 2000: 24 Nov 2023 [1o;3f;9g;25s]
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Last updated: 28 Aug 2026