Full reference: C. A. Forster, S. D. Sampson, L. M. Chiappe and D. W. Krause. 1998. The theropod ancestry of birds: new evidence from the Late Cretaceous of Madagascar. Science 279:1915-1919
Parent taxon: Aves according to C. A. Forster et al. 1998
Sister taxa: Accipitriformes, Aegotheliformes, Aletornis, Avimimiformes, Avipedidae, Callaeidae, Chaoyangornithidae, Charadriiformes, Colymbiformes, Emeidae, Eoaves, Eremopezidae, Gansuiformes, Gastornithiformes, Hwangsanipes, Ignotornidae, Jeholornithiformes, Jindongornipodidae, Koreanornipodidae, Liaoxiornithidae, Manu, Meliphagidae, Metornithes, Monarchidae, Mystiornithiformes, Neornithes, Odontornithes, Omnivoropterygiformes, Ornithothoraces, Ornithurae, Palaeoaves, Pangalliformes, Pansphenisciformes, Petroicidae, Proornis, Protoaviformes, Pygostylia, Sapeornithiformes, Shandongornipodidae, Sphenisciformes, Stereornithes, Struthiones, Tatarornipes, Trisauropodiscidae, Tshulia, Tubinares, Turnagridae, Uhangrichnus, Zhongjianornis, Zhongornis
Subtaxa: none
Ecology: ground dwelling carnivore