Class Bivalvia Linnaeus, 1758 - bivalves Subclass Autobranchia Grobben, 1894 Superorder Pteriomorphia Beurlen, 1944 Order Pectinida Gray, 1854 Superfamily Pectinoidea Rafinesque, 1815 Family Pectinidae Rafinesque, 1815 - scallops Subfamily Pedinae Bronn, 1862