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Under construction
Node-based clade: Ornithothoraces Chiappe 1995 [Chiappe 1995] (bird)
 Entity: 

Concise hierarchy

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

Current position

Pygostylia (Clade) Chatterjee 1997 [Chiappe 2001] Ref: J.K. O'Connor et al., 2010: fig. 9.

Alternative positions

Ornithurae (Clade) Haeckel 1866 [Gauthier 1986] {Chiappe 1991} Ref: P.C. Sereno, 1998: table 4 (p. 65).

Historical positions

Pygostylia (Clade) Chatterjee 1997 [Chiappe 2001] Ref: J.K. O'Connor et al., 2010: fig. 9.
Pygostylia (Clade) Chatterjee 1997 [Chiappe 2001] Ref: K. Padian, 2004: table 11.1 (p. [212]), fig. 11.8.
Pygostylia (Clade) Chatterjee 1997 [Chiappe 2001] Ref: L.M. Chiappe, 2001: [126] (fig. 1).
Ornithurae (Clade) Haeckel 1866 [Gauthier 1986] {Chiappe 1991} Ref: P.C. Sereno, 1998: table 4 (p. 65), fig. 9B.

Phylogeny

Node-based clade Ref: Chiappe, L.M. 1995. Courier Forschungsinstitut Senckenberg 181, 14 Jun 1995: 56. [implicit]

Defined by the most recent common ancestor (and all its descendants) of

Iberomesornis romerali Sanz & Bonaparte, 1992 Ref: Chiappe, L.M. 1995. Courier Forschungsinstitut Senckenberg 181, 14 Jun 1995: 56.
Neornithes (Clade) Gadow, 1893 Ref: Chiappe, L.M. 1995. Courier Forschungsinstitut Senckenberg 181, 14 Jun 1995: 56.

Node-based clade

Ornithothoraces (Clade) Chiappe 1995 [Chiappe 1995] Ref: P.C. Sereno, 1998: table 4 (p. 65)

Number of Subtaxa

2022 Available in Systema Naturae 2000 31o;202f;2151g;9617s;7150ss;1v; ‡2o;7f;57g;261s;62ss; †23o;86f;344g;154s;3ss
1989-present Systema Naturae 2000 [31o;201f;2135g;9609s]
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Last updated: 9 Feb 2022