Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Mollusca Linnaeus, 1758 - molluscs
           Subphylum Conchifera Gegenbauer, 1878
             Order Monotocardia
               Suborder Taenioglossa see Order Mesogastropoda Thiele, 1925
                 Superfamily Hipponicoidea Troschel, 1861 see Superfamily Vanikoroidea Gray, 1840
                   1 Family Vanikoridae Gray, 1840
                   2 Family Hipponicidae Troschel, 1861 - horse hoof limpits
                   3 Family Fossaridae Adams, 1860 see Subfamily Fossarinae Adams, 1860