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 Tellinacea see Superfamily Tellinoidea Blainville, 1814
                   Family Semelidae Stoliczka, 1870 (1825) - semelids
                     1 Genus Semele Schumacher, 1817
                     2 Genus Abra Lamarck, 1818
                     3 Genus Cumingia Sowerby, 1833
                     4 Genus Leptomya Adams, 1864
                     5 Genus Montrouzieria Souverbie, 1863
                     6 Genus Semelina Dall, 1900
                     7 Genus Theora Adams & Adams, 1856