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 Nemertea Schultze, 1851 - ribbon worms
           Class Enopla Schultze, 1851
             Order Hoplonemertea Hubrecht, 1879
               Suborder Polystilifera Brinkmann, 1917
                 Tribe Reptantia Brinkmann, 1917 - reptants
                   Subtribe Eureptantia
                     Inaequifurcata
                       1 Family Drepanogigantidae
                       2 Family Drepanophorellidae
                       3 Family Drepanophoringiidae
                       4 Family Paradrepanophoridae
                       5 Family Uniporidae