Entity:

Concise hierarchy

Included, by definition, in branch-based clade

Ref: Chiappe, L.M. 2002. In L.M. Chiappe & L.M. Witmer (eds.), Mesozoic birds: above the heads of dinosaurs.

Ref: Z. Zhou & F. Zhang, 2006: table 1.

†*Sinornis* (Genus) Sereno & Rao, 1992	Ref: Z. Zhou & F. Zhang, 2006: table 1.
†*Sinornis* (Genus) Sereno & Rao, 1992	Ref: K. Padian, 2004: table 11.1 (p. [214]).