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 Bdellonemertea see Suborder Monostilifera Brinkmann, 1917
               Family Malacobdellidae Blanchard, 1847
                 Genus Malacobdella Blainville, 1827
                   1 Malacobdella grossa (Müll.)
                   2 Malacobdella minuta Coe, 1945
                   3 Malacobdella japonica Takakura, 1897
                   4 ?Malacobdella auriculae