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 Solenoidea Lamarck, 1809
           Family Solenidae Lamarck, 1809 - razor clams
             Genus Solena Mörch, 1853
               1 Subgenus Eosolen Stewart, 1930
               2 Subgenus Plectosolen Conrad, 1866