Class Bivalvia Linnaeus, 1758 - bivalves Subclass Autobranchia Grobben, 1894 Superorder Pteriomorphia Beurlen, 1944 Order Pectinida Gray, 1854 Superfamily †Aviculopectinoidea Meek & Hayden, 1865 Family †Aviculopectinidae Meek & Hayden, 1865 Subfamily †Spyridopectininae Waterhouse, 2008