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 Neogastropoda Wenz, 1938 see Suborder Neogastropoda Wenz, 1938
      Count: [g] 19f;127g
         Suborder Rachiglossa (Gray, 1853) see Superfamily Muricacea de Costa, 1776
        Count: [g] 15f;83g
           Superfamily Volutacea Rafinesque, 1815 see Superfamily Muricoidea Rafinesque, 1815
          Count: [g] 7f;21g
             Family Mitridae Swainson, 1829 - miter snails
            Count: [g] 7g
               Subfamily Cylindromitrinae Cossmann, 1899
              Count: [g] 1g
                 Genus Pterygia Röding, 1798
                Count: -