Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884
       Order Chamida see Order Venerida Gray, 1854
         Superfamily Tellinoidea Blainville, 1814
           Family Tellinidae Blainville, 1814 - tellinids
             Subfamily Macominae Olsson, 1961
               Genus Macoma Leach, 1819
                 Subgenus Scissulina Dall, 1924