living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
           Class Turbellaria Ehrenberg, 1831 - planarians see Subphylum Turbellaria Ehrenberg, 1831
             Order Polycladida Lang, 1884
               Suborder Acotylea Lang, 1884
                 Section Schemmatommata
                   Family Callioplanidae Hyman, 1953
                     1 Genus Callioplana Stimpson, 1857
                     2 Genus Pseudostylochus Yeri & Kaburaki, 1918
                     3 Genus Monosolenia Hyman, 1953
                     4 Genus Asolenia Hyman, 1959