After Olson, 1985, and Feduccia, 1980, 1996

Alternative phylogeny of Neornithes after Sibley & Ahlqvist, 1990

<==o Neornithes Gadow, 1893 [Aves sensu stricto (Gauthier 1986)] (nykylinnut; modern birds)
   |?- †Eremopezus eocaenus Andrews, 1904 [Stromeria fajumensis Lambrecht, 1929] [Eremopezidae Rothschild, 1911 sensu Rasmussen et al., 2000] [Neornithes incertae sedis: associated with Ratitae]
   |?- †Proceriavis martini Harrison & Walker, 1979
   |?-o †Palaeopapia Harrison & Walker, 1979b [Neornithes incertae sedis: associated with Anseriformes]
   |  |?- †P. eous (Harrison & Walker, 1976) [Howardi eous Harrison & Walker, 1976, incl. Colymboides anglicus Lydekker, 1891, in partim]
   |  `?- †P. hamsteadiensis Harrison & Walker, 1979b
   |?- †Paracycnopterus scotti Harrison & Walker, 1979b [Neornithes incertae sedis: associated with Anseriformes]
   |-- Paleognathia Huxley, 1867 [Palaeognathae Pygraft, 1900] (vanhaleukaiset)
   `-- Neognathia Huxley, 1867 [Neognathae Pygraft, 1900] (uusleukaiset)

After Sibley & Monroe, 1990

<==o Neornithes
   |--o Eoaves [Paleognathe; Paleognathia]
   |  |-- Galloanserae
   |  `--o Ratitae
   |     |--o Tinamiformes
   |     |  `-- Tinamidae
   |     `--o Struthioniformes
   |        |--o Struthioni
   |        |  |--o Struthionides
   |        |  |  `-- Struthionidae
   |        |  `--o Rheides
   |        |     `-- Rheidae
   |        `--o Casuarii
   |           |-- Apterygidae
   |           `-- Casuariidae
   `--o Neoaves
      |--o Turnicida
      |  `--o Turniciformes
      |     `-- Turnicidae
      `--+-- Picae
         `--+-- Coraciae
            `--+--o Coliae
               |  `--o Coliiformes
               |     `-- Coliidae
               `-- Passerae

Reference(s):

  • Sibley, C. G. & Ahlquist, J. E., 1990: Phylogeny and classification of birds. A study in molecular evolution.
    –Yale University Press, New Haven & London, pp. xxii-976

Reference(s):