Neornithes Gadow, 1893 - living birds
   Palaeognathae - palaeognaths see Cohort Palaeognathae Pycraft, 1900
     Family Tinamidae Gray, 1840 - tinamous
       Subfamily Tinaminae Gray, 1840
         Genus Tinamus Hermann, 1783
           Tinamus tao Temminck, 1815 - grey tinamou
             1 Tinamus tao larensis Phelps & Phelps Jr., 1949
             2 Tinamus tao septentrionalis Brabourne & Chubb, 1913
             3 Tinamus tao taoᵀ Temminck, 1815
             4 Tinamus tao kleei (Tschudi, 1843)