Concise hierarchy

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

Phylogeny

Branch-based clade

Ref: P.C. Sereno, 1998: table 4 (p. 63).

Defined by included taxon (and all taxa more closely related to it than to the excluded taxon)

†Saltasaurus (Genus) Bonaparte & Powell, 1980

Ref: P.C. Sereno, 1998: table 4 (p. 63).

Defined by excluded taxon

†Euhelopus (Genus) Romer, 1956

Ref: P.C. Sereno, 1998: table 4 (p. 63).

Node-based clade

†Titanosauria (Clade) Bonaparte & Coria 1993

Ref: M.D. D'Emic, 2012: table 1 (p. 626).

Current position

†Somphospondyli (Clade) Wilson & Sereno 1998

Ref: M.D. D'Emic, 2012: 639 (fig. 5).

Alternative positions

†Titanosauriformes (Clade) Salgado, Coria & Calvo 1997

Ref: V. Díez Díaz et al., 2018: 452 (fig. 17).

Historical positions

†Somphospondyli (Clade) Wilson & Sereno 1998	Ref: B.J. González Riga et al., 2018: 139, 175 (fig. 28). [implicit]
†Titanosauriformes (Clade) Salgado, Coria & Calvo 1997	Ref: V. Díez Díaz et al., 2018: 433, 452 (fig. 17).
†Somphospondyli (Clade) Wilson & Sereno 1998	Ref: P.A. Gallina & A. Otero, 2015: 489.
†Somphospondili (Clade) Otero, 2010, nom. null.	Ref: P.A. Gallina & A. Otero, 2015: 498 (fig. 7). [misplaced]
†Somphospondyli (Clade) Wilson & Sereno 1998	Ref: M.D. D'Emic, 2012: 639 (fig. 5).
†Titanosauriformes (Clade) Salgado, Coria & Calvo 1997	Ref: P. Upchurch et al., 2004: table 13.1 (p. [267]), 297 (fig. 13.18).
†Somphospondyli (Clade) Wilson & Sereno 1998	Ref: P.C. Sereno, 1998: table 4 (p. 63), fig. 7B.

Number of Subtaxa

2024

Available in Systema Naturae 2000

†2f;72g;35s