Phylum [Mollusca] Linnaeus, 1758 - molluscs
Count: -
   Class Gastropoda Cuvier, 1795 - snails and slugs
  Count: -
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
    Count: [g†g] 4o;64f;261g; †1g
       Order Heterogastropoda see Superfamily Heterogastropoda
      Count: [g] 4f;12g
         Suborder Ptenoglossa Gray, 1853 see Infraorder Ptenoglossa Gray, 1853
        Count: [g] 4f;12g
           Superfamily Architectonicacea Gray, 1840, nom. illeg. see Superfamily Architectonicoidea Gray, 1850
          Count: [g] 2f;5g
             Family Architectonicidae Gray, 1850
            Count: [g] 4g
               1 Subfamily Architectonicinae J.E. Gray, 1850 see Family Architectonicidae Gray, 1850
              Count: [g] 3g
               2 Subfamily Heliacinae Troschel, 1867 see Family Architectonicidae Gray, 1850
              Count: [g] 1g