Phylum [Mollusca] Linnaeus, 1758 - molluscs Class Bivalvia Linnaeus, 1758 - bivalves Order Veneroida H. & A. Adams, 1856 see Order Venerida Gray, 1854 Superfamily Solenacea see Superfamily Solenoidea Lamarck, 1809 Family Cultellidae Davies, 1935 see Subfamily Cultellinae Davies, 1935 Genus Phaxas Leach, 1852 Subgenus Phaxas (Phaxas) Leach, 1852