Phylum Mollusca Linnaeus, 1758 - molluscs
Count: [*†*] 8c;49o;641f;6099g; †2f;162g [24 Jan 2022]
   Class Gastropoda Cuvier, 1795 - snails and slugs
  Count: [*] 21o;416f;4650g; †136g [13 Dec 2021]
     Subclass Opisthobranchia Milne-Edwards, 1848 - opisthobranchs see Order Opisthobranchia Milne-Edwards, 1848
    Count: [*] 8o;119f;463g [31 Oct 2021]
       Order Thecosomata Blainville, 1824 [monotypic] - shelled pteropods see Suborder Thecosomata Blainville, 1824
      Count: [*] 5f;15g [24 Oct 2021]
         Suborder Euthecosomata Meisenheimer, 1905 [monotypic] see Infraorder Euthecosomata Meisenheimer, 1905
        Count: [*] 5f;15g [24 Oct 2021]
           Superfamily Spiratelloidea see Superfamily Cavolinioidea Gray, 1850 (1815)
          Count: [*] 5f;15g [24 Oct 2021]
             Family Limacinidae Gray, 1840 [monotypic]
            Count: [*] 1g [24 Oct 2021]
               Genus Limacina Bosc, 1817
              Count: -
                 Subgenus Thilea Strebel, 1908
                Count: -