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 Eupteriomorphia Boss, 1982
 see Superorder Filibranchia
                
 Order Ostreoida Férussac, 1822
 see Order Ostreida Férussac, 1822
                  
 Suborder Ostreina Férussac, 1822
 see Order Ostreida Férussac, 1822
                    
 Superfamily Ostreacea Rafinesque, 1815
 see Superfamily Ostreoidea Rafinesque, 1815
                      
 Family Ostreidae Rafinesque, 1815 - true oysters
                        
 Subfamily Lophinae Vialov, 1936
                          
 Genus Alectryonella Sacco, 1897