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 Psammobiidae Fleming, 1828 - sunset clams
             Subfamily Psammobiinae Fleming, 1828
               1 Genus Gari Schumacher, 1817
               2 Genus Asaphinella Cossmann, 1886
               3 Genus Asaphis Modeer, 1793
               4 Genus Ascitellina Marwick, 1928
               5 Genus Heterodonax Mörch, 1853
               6 Genus Orbicularia Deshayes, 1850