Phylum [Mollusca] Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Order Arcoida see Order Pteriomorpha Beurlen, 1944
       Superfamily Limopsacea Dall, 1895, nom. illeg. see Superfamily Limopsoidea Dall, 1895
         Family Glycymerididae Dall, 1908 (1847) - glycymerids
           Subfamily Glycymeridinae Dall, 1908 (1847)
             Genus Glycymeris da Costa, 1778
               Subgenus Glycymeris (Tucetona) Iredale, 1931