living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Mollusca Linnaeus, 1758 - molluscs
           Class Bivalvia Linnaeus, 1758 - bivalves
             Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884
               Order Veneroida H. & A. Adams, 1856 see Order Venerida Gray, 1854
                 Superfamily Cyamiacea see Superfamily Cyamioidea Sars, 1878
                   Family Cyamiidae Sars, 1878
                     1 Genus Cyamium Philippi, 1845
                     2 Genus Perrierina Bernard, 1897
                     3 Genus Cyamiocardium Soot-Ryen, 1951
                     4 Genus Lutetina Vélain, 1877
                     5 Genus Ptychocardia Thiele, 1912
                     6 Genus Reloncavia Soot-Ryen, 1969
                     7 Genus Kidderia Dall, 1876