Class Bivalvia Linnaeus, 1758 - bivalves Subclass Autobranchia Grobben, 1894 Superorder Pteriomorphia Beurlen, 1944 Order Pectinida Gray, 1854 Superfamily Pectinoidea Rafinesque, 1815 Family †Entolioidesidae Kasum-Zade, 2003 1 Subfamily †Entolioidesinae Kasum-Zade, 2003 2 Subfamily †Calvaentoliinae Kasum-Zade, 2003