Phylum Mollusca Linnaeus, 1758 - molluscs Class Bivalvia Linnaeus, 1758 - bivalves Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884 Order Venerida Gray, 1854 Superfamily Galeommatoidea Gray, 1840 Family Montacutidae Clark, 1855 see Family Lasaeidae Gray, 1842 Subfamily Mysellinae Genus Virmysella Iredale, 1930