Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Passerimorphae Sibley et al., 1988
           Order Gruiformes Bonaparte, 1854
             Suborder Ralli Reichenbach - rails and allies
               Family Rallidae Vigors, 1825 - rails, waterhens, coots
                 Genus Porphyrio Brisson, 1760
                   Porphyrio porphyrio (Linnaeus, 1758) - purple swamphen
                     1 Porphyrio porphyrio porphyrioᵀ (Linnaeus, 1758) - purple swamphen
                     2 Porphyrio porphyrio madagascariensis (Latham, 1801) - African swamphen
                     3 Porphyrio porphyrio poliocephalus (Latham, 1801) - Indian swamphen
                     4 Porphyrio porphyrio pulverulentus Temminck, 1826 - Philippine swamphen
                     5 Porphyrio porphyrio melanotus Temminck, 1820 - eastern swamphen
                     6 Porphyrio porphyrio bellus Gould, 1841 - western swamphen