Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
         ?Family Turnicidae Gray, 1840 - buttonquails
           Genus Turnix Bonnaterre, 1791
             Turnix tanki Blyth, 1843 - yellow-legged buttonquail
               1 Turnix tanki tanki Blyth, 1843
               2 Turnix tanki blanfordii Blyth, 1863