Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Cheliceriformes
       Class Chelicerata Heymons, 1901
         Subclass Arachnida Lamarck see Class Arachnida Lamarck, 1801
           Order Palpigradi Thorell, 1888 - palpigrades
             Genus Allokoenenia Silvestri, 1913
             Genus Eukoenenia Börner, 1901
             Genus Koenenia Grassi, 1885, nom. illeg. see Genus Eukoenenia Börner, 1901
             Genus Leptokoenenia Condé, 1965
             Genus Prokoenenia Börner, 1901