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 Monostilifera Brinkmann, 1917
                 Family Amphiporidae McIntosh, 1874
                   Genus Amphiporusᵀ Ehrenberg, 1831
                     1 Amphiporus angulatus (Müller, 1774)
                     2 Amphiporus lactifloreus (Johnston, 1828)
                     3 Amphiporus formidabilis Griffin, 1898
                     4 Amphiporus spinosus Bürger, 1893
                     5 Subgenus Intestinonemertes
                     6 Amphiporus bimaculatus Coe, 1901