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
                  
 Superfamily Limopsacea Dall, 1895, nom. illeg.
 see Superfamily Limopsoidea Dall, 1895
                    
 1 Family Limopsidae Dall, 1895
                    
 2 Family Glycymerididae Dall, 1908 (1847) - glycymerids
                    
 3 Family Philobryidae Bernard, 1897