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 Nudibranchia Cuvier, 1814 - "true" nudibranchs
      Count: [*] 64f;254g [31 Oct 2021]
         Suborder Doridina Odhner, 1934
        Count: [*] 30f;135g [29 Oct 2021]
           Superfamily Anadoridoidea Vaught, 1989, nom. inval.
          Count: [*] 9f;50g [28 Oct 2021]
             Family Okeniidae Iredale & O'Donoghue, 1923 see Family Goniodorididae Adams & Adams, 1854
            Count: [*] 8g [25 Oct 2021]
               Subfamily Anculinae Pruvot-Fol, 1954 see Family Goniodorididae Adams & Adams, 1854
              Count: [*] 4g [25 Oct 2021]
                 Genus Spharia Risbec, 1928, orth. inval. see Genus Spahria Risbec, 1928
                Count: -