Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota
           "neomura"
             Domain Eukaryota Chatton, 1925 - eukaryotes
               "neokaryotes" - mitochondrial eukaryotes
                 "neozoa"
                   "scotokaryotes" Cavalier-Smith, 1999
                     "podiates" Cavalier-Smith, 2013
                       Amorphea Adl et al., 2012
                         Opisthokonta Cavalier-Smith, 1987
                           Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Epitheliozoa Ax, 1996
                                   Eumetazoa Bütschli, 1910 - eumetazoans
                                     Bilateria Hatschek, 1888 - bilaterians
                                       Protostomia Grobben, 1908
                                         Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake, 1995 - lophotrochozoans
                                           Spiralia - spiralians
                                             Trochozoa Beklemischev, 1944 - trochozoans
                                               Phylum Mollusca Linnaeus, 1758 - molluscs
                                                 Subphylum Conchifera Gegenbauer, 1878
                                                   Ganglioneura
                                                     Pleistomollusca Kocot et al., 2011
                                                       Class Gastropoda Cuvier, 1795 - snails and slugs
                                                         Subclass Orthogastropoda Ponder & Lindberg, 1996
                                                           Apogastropoda
                                                             Superorder Caenogastropoda Cox, 1960
                                                               Order Sorbeoconcha Ponder & Lindberg, 1997
                                                                 Suborder Hypsogastropoda Ponder & Lindberg, 1997
                                                                   Infraorder Littorinimorpha Pchelintsev, 1963
                                                                     Superfamily Tonnoidea H. Suter, 1913 (1825)
                                                                       Family Tonnidaeᵀ H. Suter, 1913 (1825) - tuns
                                                                         Subfamily Tonninaeᵀ H. Suter, 1913 (1825)
                                                                           Genus Tonnaᵀ Brünnich, 1772
                                                                             Tonna allium (Dillwyn, 1817)
                                                                             Tonna cepa (Röding, 1798)
                                                                             Tonna cumingii (Reeve, 1849)
                                                                             Tonna dolium (C. Linnaeus, 1758)
                                                                             Tonna galea (C. Linnaeus, 1758) - giant tun
                                                                             Tonna olearium (C. Linnaeus, 1758)
                                                                             Tonna perdix (C. Linnaeus, 1758)
                                                                             Tonna sulcosa (Born, 1778)
                                                                             Tonna tessellata (Lamarck, 1816)