Neornithes Gadow, 1893 - living birds
   Palaeognathae - palaeognaths see Cohort Palaeognathae Pycraft, 1900
     Family Tinamidae Gray, 1840 - tinamous
       Subfamily Rhynchotinae von Boetticher, 1934
         Genus Nothura Wagler, 1827
           1 Nothura boraquira (Spix, 1825) - white-bellied nothura
           2 Nothura minor (Spix, 1825) - lesser nothura
           3 Nothura darwinii Gray, 1867 - Darwin's nothura
           4 Nothura maculosa (Temminck, 1815) - spotted nothura
           5 Nothura chacoensis Conover, 1937 - Chaco nothura