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
             1 Neotis ludwigii (Rüppell, 1837) - Ludwig's bustard
             2 Neotis denhami (Children & Vigors, 1826) - Stanley bustard
             3 Neotis heuglinii (Hartlaub, 1859) - Heuglin's bustard
             4 Neotis nuba (Cretzschmar, 1826) - Nubian bustard