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 Protobranchia Pelseneer, 1889
               Order Solemyoida Dall, 1889 see Order Solemyida Dall, 1889
                 Superfamily Solemyacea Gray, 1840, nom. illeg. see Superfamily Solemyoidea Gray, 1840
                   Family Solemyidae Gray, 1840 - awning clams
                     Genus Acharax Dall, 1908