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 †Flemingostreinae Stenzel, 1971
               1 Tribe †Flemingostreini Stenzel, 1971
               2 Tribe †Ambigostreini Malchus, 1990
               3 Tribe †Curvostreini Malchus, 1990
               4 Tribe †Liostreini Vialov, 1983