Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Eoaves Sibley et al., 1988 see Cohort Palaeognathae Pycraft, 1900
       Parvclass Ratitae (Merrem, 1813) see Subcohort Ratitae Merrem, 1813
         Order Tinamiformes Huxley, 1872
           Family Tinamidae Gray, 1840 - tinamous
             Genus Nothura Wagler, 1827
               1 Nothura darwinii Gray, 1867 - Darwin's nothura
               2 Nothura chacoensis Conover, 1937 - Chaco nothura
               3 Nothura maculosa (Temminck, 1815) - spotted nothura
               4 Nothura minor (Spix, 1825) - lesser nothura
               5 Nothura boraquira (Spix, 1825) - white-bellied nothura