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]
                     1 [Class "Céphalopodes" Cuvier] see Class Cephalopoda Cuvier, 1795
                     2 [Class "Ptéropodes" Cuvier] see Order Pteropoda Cuvier, 1804
                     2.0 [Class "Ptérorodes" Cuvier] see Class Ptéropodes Cuvier
                     3 [Class "Gastéropodes" Cuvier] see Class Gastropoda Cuvier, 1795