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 1 Superfamily Ostreoidea Rafinesque, 1815 2 Superfamily Plicatuloidea Gray, 1854