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 Pteriomorphia Beurlen, 1944 see Superorder Pteriomorphia Beurlen, 1944
               Superorder Prionodonta McNeil, 1937 see Superorder Filibranchia
                 Order Arcoida see Order Pteriomorpha Beurlen, 1944
                   1 Superfamily Arcacea see Superfamily Arcoidea Lamarck, 1809
                   2 Superfamily Limopsacea Dall, 1895, nom. illeg. see Superfamily Limopsoidea Dall, 1895