Phylum Mollusca Linnaeus, 1758 - molluscs
Class Bivalvia Linnaeus, 1758 - bivalves
Subclass Pteriomorphia Beurlen, 1944
see Superorder Pteriomorphia Beurlen, 1944
Order Ostreida Férussac, 1822
Suborder Ostreina Férussac, 1822
see Order Ostreida Férussac, 1822
Superfamily Ostreoidea Rafinesque, 1815
Family Ostreidae Rafinesque, 1815 - true oysters
Subfamily Ostreinae Rafinesque, 1815
Tribe Ostreini Rafinesque, 1815
Genus Ostrea Linnaeus, 1758 - flat oyster
Subgenus Turkostrea Vialov, 1936