[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Branch Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Division Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Subdivision Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
           Section Acoelomata
             Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
               Class Turbellaria Ehrenberg, 1831 - planarians see Subphylum Turbellaria Ehrenberg, 1831
                 Genus Planaria Müller, 1776
                 01 Order Acoela Uljanin, 1870 - acoels see Class Acoela Uljanin, 1870
                 02 Order Catenulida Meixner, 1924 - catenulid flatworms
                 03 Order Macrostomida
                 04 Order Neorhabdocoela see Order Rhabdocoela Ehrenberg, 1831
                 05 Order Temnocephalida
                 06 Order Archoophora see Order Proplicastomata
                 07 Order Lecithoepitheliata
                 08 Order Prolecithophora Karling, 1940
                 09 Order Seriata
                 10 Order Tricladida Lang, 1884
                 11 Order Polycladida Lang, 1884