Class Bivalvia Linnaeus, 1758 - bivalves Subclass Autobranchia Grobben, 1894 Superorder Pteriomorphia Beurlen, 1944 Order Mytilida FĂ©russac, 1822 Superfamily Mytiloidea Rafinesque, 1815 Family Mytilidae Rafinesque, 1815 - marine mussels Subfamily Modiolinae Termier & Termier, 1950, nom. protect.