Concise hierarchy

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

Phylogeny

Node-based clade

Ref: C. Hendrickx et al., 2015: table (p. 61).

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

†Alvarezsaurus calvoi Bonaparte, 1991a		Ref: C. Hendrickx et al., 2015: table (p. 61) (modified from Choiniere et al., 2010b).
†Mononykus olecranus Perle et al., 1993		Ref: C. Hendrickx et al., 2015: table (p. 61) (modified from Choiniere et al., 2010b).

Generic clade

†Alvarezsauridae (Clade) Bonaparte 1991 [Sereno 1999]

Ref: C. Hendrickx et al., 2015: table (p. 61) (modified from Choiniere et al., 2010b).

Current position

†Alvarezsauroidea (Clade) Livezey & Zusi 2007 [Choiniere, Xu, Clark, Forster, Guo & Han 2010]

Ref: C. Hendrickx et al., 2015: 13 (fig. 5).

Alternative positions

†Alvarezsauria (Clade) Bonaparte 1991	Ref: F.L. Agnolin et al., 2012[2011]: 35.
Avialae (Clade) Gauthier 1986	Ref: K. Padian, 2004: table 11.1 (p. [211]).
Maniraptora (Clade) Gauthier 1986	Ref: Zanno, 2010: fig. 6
Paraves (Clade) Sereno 1997 [Sereno 1998]	Ref: T.R. Holtz Jr. & H. Osmólska, 2004: fig. S.2.

Historical positions

†Alvarezsauroidea (Clade) Livezey & Zusi 2007 [Choiniere, Xu, Clark, Forster, Guo & Han 2010]	Src: C. Hendrickx et al., 2015: 13 (fig. 5), table (p. 61).
†Alvarezsauria (Clade) Bonaparte 1991	Src: F.L. Agnolin et al., 2012[2011]: 35.
Maniraptora (Clade) Gauthier 1986	Src: L.E. Zanno, 2010: fig. 6.
Avialae (Clade) Gauthier 1986	Src: K. Padian, 2004: 222, table 11.1 (p. [211]), fig. 11.8.
Paraves (Clade) Sereno 1997 [Sereno 1998]	Src: T.R. Holtz Jr. & H. Osmólska, 2004: 24, fig. S.2; fig. 4.20.
Avialae (Clade) Gauthier 1986	Src: L.M. Chiappe, 2001: [126] (fig. 1). [indirect]

Number of Subtaxa

2024	Available in Systema Naturae 2000	†6g;6s
1989-present	Systema Naturae 2000	[; †6g;6s]
2004	K. Padian	[; †5g;5s]
2004	K. Padian	[; †5g;5s]