Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Ornithurae Haeckel, 1866 see Clade Ornithurae Haeckel 1866 [Gauthier 1986] {Chiappe 1991}
     Infraclass Dromaeognathae (Huxley, 1867) P. Brodkorb, 1963
       Order Tinamiformes Huxley, 1872
         Family Tinamidae Gray, 1840 - tinamous
           1 Genus †Tinamisornis Rovereto, 1914
           2 Genus †Cayetanornis Brodkorb, 1963
           3 Genus †Querandiornis Rusconi, 1958
           4 Genus Nothura Wagler, 1827
           5 Genus Tinamus Hermann, 1783
           6 Genus Crypturellus Brabourne & Chubb, 1914
           7 Genus Rhynchotus Spix, 1825
           8 Genus Nothoprocta Sclater & Salvin, 1873
           9 Genus Taoniscus Gloger, 1842