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 Solecurtidae d'Orbigny, 1846 - razor clams
             Subfamily Solecurtinae d'Orbigny, 1846
               1 Genus Solecurtus Blainville, 1824
               2 Genus Azorinus Récluz, 1869
               3 Genus Protagelus Tapaswi, 1979
               4 Genus Tagelus Gray, 1847