living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryotae see Domain Eukaryota Chatton, 1925
     Animalia Linnaeus, 1758 - animals
       Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Mollusca Linnaeus, 1758 - molluscs
           Bivalvia Linnaeus, 1758 - bivalves
             Pteriomorphia Beurlen, 1944 see Superorder Pteriomorphia Beurlen, 1944
               Eupteriomorphia Boss, 1982 see Superorder Filibranchia
                 Ostreoida Férussac, 1822 see Order Ostreida Férussac, 1822
                   1 Ostreina Férussac, 1822 see Order Ostreida Férussac, 1822
                   2 Pectinina Gray, 1854 see Order Pectinida Gray, 1854