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] Gruiformes Bonaparte, 1854
         ?Family Otidae - bustards see Family Otididae Gray, 1840
           Genus Neotis Sharpe, 1893
             Neotis denhami (Children & Vigors, 1826) - Stanley bustard
               1 Neotis denhami denhami (Children, 1826) - Denham's bustard
               2 Neotis denhami jacksoni Bannerman, 1930
               3 Neotis denhami stanleyi (Gray, 1831) - Stanley bustard