Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Anomalodesmata Dall, 1889 [monotypic] see Order Anomalodesmata Dall, 1889
       Order Pholadomyida Newell, 1965
         Suborder Cuspidariina see Superfamily Cuspidarioidea Dall, 1886
           Family Verticordiidae Stoliczka, 1870
             1 Genus Verticordia Sowerby, 1844
             2 Genus Euciroa Dall, 1881
             3 Genus Halicardia Dall, 1895
             4 Genus Haliris Dall, 1886
             5 Genus Laevicordia Seguenza, 1876
             6 Genus Lyonsiella Sars, 1872
             7 Genus Policordia Dall, Bartsch & Rehder, 1938
             8 Genus Simplicicordia Kuroda & Habe, 1971