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 Coturnicops Gray, 1855
             Coturnicops noveboracensis (Gmelin, 1789) - yellow rail
               1 Coturnicops noveboracensis noveboracensis (Gmelin, 1789)
               2 Coturnicops noveboracensis goldmani (Nelson, 1904)