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 Neorhabdocoela see Order Rhabdocoela Ehrenberg, 1831
               Suborder Dalyellioida (L. v. Graff, 1905) Bresslau, 1933 see Suborder Dalyelliida
                 Family Pterastricolidae see Family Pterastericolidae Meixner, 1925
                   Genus Pterastricola see Genus Pterastericola Beklemichev, 1916
                     Pterastricola fedotovi Beklemishev, 1916 see Pterastericola fedotovi Beklemishev, 1916