Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               [Kingdom "animal"] see Kingdom Animalia Linnaeus, 1758
                 [Division "Animaux mollusques" Cuvier]
                   [Section "Céphalés" Lamarck]
                     [Class "Gastéropodes" Cuvier] see Class Gastropoda Cuvier, 1795
                       ?[Order "Ciliobranches" Blainville]
                       1 [Order "Nudibranches" Cuvier]
                       2 [Order "Inférobranches" Cuvier]
                       3 [Order "Tectibranches" Cuvier]
                       4 [Order "Pulmonés sans opercule" Férussac]
                       5 [Order "Pulmonés operculés" Férussac]
                       6 [Order "Pectinibranches" Cuvier]
                       7 [Order "Scutibranches" Cuvier]
                       8 [Order "Cyclobranches" Cuvier]