Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Mollusca Linnaeus, 1758 - molluscs
           Subphylum Conchifera Gegenbauer, 1878
             Class Bivalvia Linnaeus, 1758 - bivalves
               Order Protobranchia Pelseneer, 1889
                 1 Family Nuculidae Gray, 1824 - nut clams
                 2 Family Nuculanidae Adams & Adams, 1858 (1854) - pointed nut clams
                 3 Family Solemyidae Gray, 1840 - awning clams