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 "Ptéropodes" Cuvier] see Order Pteropoda Cuvier, 1804
                       1 [Family "les Hyales"]
                       2 [Family "les Limacines"]
                       3 [Family "les Clios"]
                       4 [Family "les Pneumodermes"]
                       5 [Family "les Phyllirhoées" Férussac, 1822, nom. vernac.] see Family Phylliroidae Menke, 1830