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 Rallidae Vigors, 1825 - rails, waterhens, coots
           Genus Neocrex Sclater & Salvin, 1869
             Neocrex columbiana Bangs, 1898 see Neocrex colombiana Bangs, 1898
               1 Neocrex columbiana ripleyi Wetmore, 1967 see Neocrex colombiana ripleyi Wetmore, 1967
               2 Neocrex columbiana columbiana Bangs, 1898 see Neocrex colombiana colombiana Bangs, 1898