Class Bivalvia Linnaeus, 1758 - bivalves Subclass Autobranchia Grobben, 1894 Superorder Pteriomorphia Beurlen, 1944 Order Pectinida Gray, 1854 Superfamily †Halobioidea Kittl, 1912 Family †Claraiidae Gavrilova, 1996 1 Subfamily †Claraiinae Gavrilova, 1996 2 Subfamily †Chuluariinae Waterhouse, 2008 3 Subfamily †Pseudoclaraiinae Gavrilova, 1996