Kingdom animal see Kingdom Animalia Linnaeus, 1758
   Division Animaux mollusques Cuvier
     Section Céphalés Lamarck
       Class Gastéropodes Cuvier see Class Gastropoda Cuvier, 1795
         Order Inférobranches Cuvier
           Suborder "les Semi-Phyllidiens" Lamarck
             2 Family "les Ombrelles"
             3 Family "les Pleurobranches" A.E.J. d'Audebard de Férussac, 1822 see Family Pleurobranchidae Gray, 1827