Neornithes Gadow, 1893 - living birds
   Palaeognathae - palaeognaths see Cohort Palaeognathae Pycraft, 1900
     Family Tinamidae Gray, 1840 - tinamous
       Subfamily Tinaminae Gray, 1840
         Genus Crypturellus Brabourne & Chubb, 1914
           Crypturellus obsoletus (Temminck, 1815) - brown tinamou
             1 Crypturellus obsoletus cerviniventris (Sclater & Salvin, 1873)
             2 Crypturellus obsoletus knoxi Phelps Jr., 1976
             3 Crypturellus obsoletus castaneus (Sclater, 1858)
             4 Crypturellus obsoletus ochraceiventris (Stolzmann, 1926)
             5 Crypturellus obsoletus traylori Blake, 1961 - Traylor's tinamou
             6 Crypturellus obsoletus punensis (Chubb, 1917)
             7 Crypturellus obsoletus griseiventris (Salvadori, 1895)
             8 Crypturellus obsoletus hypochraceus (Miranda-Ribeiro, 1938)
             9 Crypturellus obsoletus obsoletusᵀ (Temminck, 1815) - brown tinamou