After Chiappe, 1992, Chiappe & Calvo, 1994 and Zhou & Hou, 2002 and Chiappe & Walker, 2002
Alternative phylogeny after Kurochkin, 1996
<==o †Enantiornithes Walker, 1981 |?- †Enantiornithes genera et species indet. [L. Cret SWAs.] [Dalla Vecchia & Chiappe, 2002] |?- †Dapingfangornis sentisorhinus Li, Duan, Hu, Wang, Cheng & Hou, 2006 |--+-- †Iberomesornis romerali Sanz & Bonaparte, 1992 | `-- †Noguerornis gonzalezi Lasaca-Ruiz, 1989 `--o Euenantiornithes Chiappe, 2002 sensu Chiappe & Lasaca-Ruiz, 2002 |?- †Protopteryx fengningensis Zhang & Zhou, 2000 |-- †Concornis lacustris Sanz & Buscalioni, 1992 |-- †Eoalulavis hoyasi Sanz, Chiappe, Pérez-Moreno, Buscalioni, Moratalia, Ortega, & Poyato-Ariza, 1996 |-- †Vascornis hebeiensis Zhang, Ericson & Zhou, 2004 `--+?- †Axelornis antecedens Brodkorb, 1976 [Axelornithiformes Brodkorb, 1976] |?- †Cerebavis cenomanica Kurochkin, Saveliev, Postnov, Pervushov, & Popov, 2006; U.Cret. EEu. |?- †Cuspirostrisornis jinfengi Hou, 1996 |?- †Gurilynia nessovi Kurochkin, 1999 |?- †Eoenantiornis buhleri Hou, Zhou & Feduccia, 1999 |?- †Halimornis thompsoni Chiappe, Lamb Jr., & Ericson,, 2002 |?- †Jibeinia luanhera Hou, 2000 [Jibeinia luanhera Hou, 1997 (nomen nudum)] [type lost!] |?- †Kuszholia mengi Nesov, 1992 [Kuszholiidae Nesov, 1992] |?- †Kizylkumavis cretacea Nesov, 1984 |?- †Largirostrisornis sexdentornis Hou, 1996 |?- †Lenesornis maltshevskyi (Nesov, 1986) Kurochkin, 1996 ["Ichthyornis" maltshevskyi Nesov, 1986] |?- †Longchenornis sanyanensis Hou, 1996 |?- †Longipteryx chaoyangensis Zhang, Zhou, Hou & Gu, 2001 |?- †Longirostravis hani Hou, Chiappe, Zhang, Chuong, 2004 [2003?] |?- †Sazavis prisca Nesov, 1989 |?- †Sinornis santensis Sereno & Rao, 1992 [Sinornithiformes Sereno & Rao, 1992] |?-o †Cathyornithidae Zhou, Jin & Zhang, 1992 [Cathyornithiformes Zhou, Jin & Zhang, 1992] | |?- †Eocathyornis walkeri Zhou, 2002 | `--+?- †Cathayornis yandica Zhou, Jin & Zhang, 1992 [jr. synon. of Sinornis santensis Sereno & Rao, 1992 sensu Sereno, Rao & Li, 2002] | `?- †Bolouchia zhengi Zhou, 1995 |?-o †Gobipterygiformes Elzanowski, 1974 [Gobipterygidae Elzanowski, 1974] | |?- †Horezmavis eocretacea Nesov, 1983 [a gruiform?? (Kurochkin, 2000)] [very poor condition, should be considered as Aves incertae sedis] | `-- †Gobipteryx minuta Elzanowski, 1974 [Nanantius valifanovi Kurochkin, 1996, jr. synon.] `--o †Enantiornithiformes Chiappe, 1992 [non Walker, 1981, Martin, 1983] |?- †Gurilynia nessovi Kurochkin, 1999 |?-o †Zhyraornis Nesov, 1984 [Zhyraornithidae Nesov, 1984] | |-- †Z. kashkarovi Nesov, 1984 | `?- †Z. logunovi Nesov, 1992 |--o †Enantiornis Walker, 1981 [Enantiornithidae Walker, 1981] | |-- †E. leali Walker, 1981 | |?- †E. walkeri Nesov & Panteleyev, 1993 | `?- †E. martini Nesov & Panteleyev, 1993 `--o †Avisauridae Brett-Surman & Paul, 1985 sensu lato |?- †Lectavis bretincola Chiappe, 1993 |?- †Yungavolucris brevipedalis Chiappe, 1993 |?- †Nanantius eos Molnar, 1986 `--o Avisauridae Brett-Surman & Paul, 1985 sensu Varricchio & Chiappe, 1995 |-- †Nequerornis volans Chiappe vide Chiappe & Calvo, 1994 `--+-- †Soroavisaurus australis Chiappe, 1993 `--o †Avisaurus Brett-Surman & Paul, 1985 |-- †A. sp. [under description by L. Martin] |-- †A. archibaldi Brett-Surman & Paul, 1985 `-- †A. gloriae Varricchio & Chiappe, 1995
†Enantiornithes incertae sedis:
†Liaoxiornis delicatus Hou & Chen, 1999 [Lingyuanornis parvus Ji & Ji, 1999] (juveline, nomen dubium)Reference(s):
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