Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Pteriomorphia Beurlen, 1944
       Order Ostreida Férussac, 1822 [monotypic]
         Superfamily Ostreoidea Rafinesque, 1815
           Family Ostreidae Rafinesque, 1815 - true oysters
             Subfamily Ostreinae Rafinesque, 1815
               1 Tribe Ostreini Rafinesque, 1815
               2 Tribe Cryptostreini Harry, 1985
               3 Tribe Pustulostreini Harry, 1985
               4 Tribe Undulostreini Harry, 1985