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 Mollusca Linnaeus, 1758 - molluscs
           Class Solenogastres Gegenbaur, 1878
             Order Cavibelonia Salvini-Plawen, 1978
               Family Pararrhopaliidae Salvini-Plawen, 1972 see Family Pruvotinidae Heath, 1911, nom. corr.
                 Subfamily Lophomeniinae Salvini-Plawen, 1978
                   1 Genus Lophomenia Heath, 1911
                   2 Genus Metamenia Thiele, 1913
                   3 Genus Hypomenia van Lummel, 1930
                   4 Genus Forcepimenia Salvini-Plawen, 1969