Phylum Mollusca Linnaeus, 1758 - molluscs Class Bivalvia Linnaeus, 1758 - bivalves Subclass Anomalodesmata Dall, 1889 [monotypic] see Order Anomalodesmata Dall, 1889 Order Pholadomyida Newell, 1965 Suborder Cuspidariina see Superfamily Cuspidarioidea Dall, 1886 Family Verticordiidae Stoliczka, 1870 Genus Lyonsiella Sars, 1872 Subgenus Proagorina Iredale, 1930