Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Pteriomorphia Beurlen, 1944 see Superorder Pteriomorphia Beurlen, 1944
       Order Limida Moore, 1952 [monotypic]
         Superfamily Limoidea Rafinesque, 1815 [monotypic]
           Family Limidae Rafinesque, 1815 - file clams
             Genus Winckworthia Glibert & van de Poel, 1965, nom. nud. see Genus Limaria Link, 1807