Order Ralliformes Reichenbach, 1854 - marsh birds and allies
   Suborder Ralli Reichenbach - rails and allies
     Family Rallidae Vigors, 1825 - rails, waterhens, coots
       Subfamily Gallinulinae Gray - gallinules
         01 Genus †Eocrex Wetmore, 1931
         02 Genus †Palaeocrex Wetmore, 1927
         03 Genus †Miorallus Lambrecht, 1933
         04 Genus †Thiornis Navás, 1922
         05 Genus Gallinula Brisson, 1760
         06 Genus †Epirallus L. Miller
         07 Genus Porphyrio Brisson, 1760
         08 Genus Tribonyx DuBus see Genus Gallinula Brisson, 1760
         09 Genus †Hovacrex Brodkorb, 1965
         10 Genus ‡Nesotrochis Wetmore, 1918
         11 Genus †Pyramida Oliver
         12 Genus Notornis Owen, 1848 see Genus Porphyrio Brisson, 1760