Phylum Mollusca Linnaeus, 1758 - molluscs Class Bivalvia Linnaeus, 1758 - bivalves Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884 Order Venerida Gray, 1854 Superfamily Cyamioidea Sars, 1878 Family Perrierinidae Marwick, 1928 see Family Cyamiidae Sars, 1878 Genus Perrierina Bernard, 1897