Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Mollusca Linnaeus, 1758 - molluscs
     Subphylum Diasoma Runnegar & Pojeta Jr., 1974 see Phylum Mollusca Linnaeus, 1758
       Class Pelecypoda Goldfuss, 1820 see Class Bivalvia Linnaeus, 1758
         Subclass Anomalodesmata Dall, 1889 see Order Anomalodesmata Dall, 1889
           Genus †Anatimya Conrad, 1860
           Genus †Cimitaria Hall, 1869
           Genus †Cuneamya Hall & Whitfield, 1875
           Genus Euciroa Dall, 1881
           Genus †Grammysia de Verneuil, 1847
           Genus †Osteomya Mörch, 1874
           Genus Pandora Bruguière, 1797
           Genus Pholadomya Sowerby, 1823
           Genus †Rhytimya Ulrich, 1893
           Genus †Wilkingia Wilson, 1959