Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Superorder Archaeogastropoda Thiele, 1925
         Order Vetigastropoda Salvini-Plawen, 1980 - archaeogastropods s.l.
           Superfamily Trochoidea Rafinesque, 1815
             Family Skeneidae Clark, 1851 see Subfamily Skeneinae Clark, 1851
               01 Genus Skenea Fleming, 1825
               02 Genus Brookula Iredale, 1912
               03 Genus Caporbis Bartsch, 1915
               04 Genus Cavostella Laseron, 1954
               05 Genus Conjectura Finlay, 1926
               06 Genus Cordnadoa Millard, 1996, orth. inval. see Genus Coronadoa Bartsch, 1946
               07 Genus Crossea Adams, 1865
               08 Genus Crosseola Iredale, 1924
               09 Genus Cyclostremiscus Pilsbry & Olsson, 1945
               10 Genus Daronia Adams, 1861
               11 Genus Dillwynella Dall, 1889
               12 Genus Elachorbis Iredale, 1915
               13 Genus Haplocochlias Carpenter, 1864
               14 Genus Houdasia Cossmann, 1902
               15 Genus Leptogyra Bush, 1897
               16 Genus Leucodiscus Cossmann, 1918
               17 Genus Leucorhynchia Crosse, 1867
               18 Genus Lodderena Iredale, 1924
               19 Genus Lissotestella Powell, 1946
               20 Genus Lodderia Tate, 1899
               21 Genus Lophocochlias Pilsbry, 1921
               22 Genus Norrisella Cossmann, 1888
               23 Genus Philorene Oliver, 1915
               24 Genus Pondorbis Bartsch, 1915
               25 Genus Putilla Adams, 1867
               26 Genus Rhodinoliotia Tomlin & Shackleford, 1915
               27 Genus Spinobrookula Lozouet & Maestrati, 1982
               28 Genus Srilankaia Mienis, 1974
               29 Genus Tasmocrossea Dell, 1952
               30 Genus Tharsiella Bush, 1897
               31 Genus Tholopex Vaught, 1989, orth. inval. see Genus Tholapex Di Geronimo, 1974
               32 Genus Tiburnus Gregorio, 1893
               33 Genus Tubiola Adams, 1863
               34 Subfamily Planitrochinae Knight, 1956 see Family Planitrochidae Knight, 1956