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 Strigimorphae see Superorder Falconimorphae Seebohm, 1890
           Order Musophagiformes (Seebohm, 1890) see Suborder Musophagi Seebohm, 1890
             Family Musophagidae Bonaparte, 1831 - turacos
               Subfamily Musophaginae Lesson, 1828 - turacos
                 Genus Musophaga Isert, 1788
                   Musophaga johnstoni (Sharpe, 1901) - Ruwenzori turaco see Ruwenzorornis johnstoni (Sharpe, 1901)