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 Semelidae Stoliczka, 1870 (1825) - semelids
             Genus Montrouzieria Souverbie, 1863
               Subgenus Lonoa Dall, Bartsch & Rehder, 1938