Phylum Mollusca Linnaeus, 1758 - molluscs
Ref: V.G. Millard, 1997: 3; Count: [*†*] 8c;49o;641f;6099g; †2f;162g [24 Jan 2022]
   Class Gastropoda Cuvier, 1795 - snails and slugs
  Ref: V.G. Millard, 1997: 16; Count: [*] 21o;416f;4650g; †136g [13 Dec 2021]
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
    Ref: V.G. Millard, 1997: 16; Count: [*†*] 6o;172f;2489g; †135g [14 Oct 2021]
       Superorder Archaeogastropoda Thiele, 1925
      Ref: V.G. Millard, 1997: 16; Count: [*†*] 3o;37f;400g; †25g [28 Jun 2021]
         Order Vetigastropoda Salvini-Plawen, 1980 - archaeogastropods s.l.
        Ref: V.G. Millard, 1997: 20; Count: [*†*] 20f;341g; †25g [28 Jun 2021]
           Superfamily Trochoidea Rafinesque, 1815
          Ref: V.G. Millard, 1997: 24; Count: [*†*] 6f;221g; †25g [27 Jun 2021]
             Family Trochidae Rafinesque, 1815 - top snails
            Ref: V.G. Millard, 1997: 30; Count: [*†*] 122g; †14g [26 Jun 2021]
               Subfamily Stomatellinae Gray, 1840
              Ref: V.G. Millard, 1997: 37; Count: [*] 10g [25 Jun 2021]
                 Genus Praestomatia Cox, 1960
                Ref: V.G. Millard, 1997: 37; Count: -