†unranked clade Carinatae Merrem 1813 (avialan)
Parent taxon: Ornithurae according to L. M. Chiappe 2002
See also Clarke and Chiappe 2001, Gadow 1898, Hay 1902, Hay 1930, You et al. 2006 and Zittel 1890
Sister taxa: Apatornis, Archaeovolans, Cerebavis, Changzuiornis, Chaoyangiformes, Chaoyangornithiformes, Dromaeognathae, Gargantuaviidae, Gobipterygiformes, Guildavis, Hesperornithiformes, Iaceornis, Ichthyornithes, Kookne, Kuszholia, Liaoningornithiformes, Limenavis, Odontoholcae, Odontoholomorphae, Qinornis, Tingmiatornis, Yanornithiformes, Yixianornithiformes
Subtaxa: Anatiformes Colymbiformes Crateropteryx Diatrymatiformes Galliformes Odontotormae Tubinares
Ecology: ground dwelling carnivore