Phylum Mollusca Linnaeus, 1758 - molluscs Class Scaphopoda Bronn, 1862 - tusk shells Order Gadilida Starobogatov, 1974 Family Entalinidae Chistikov, 1979 1 Genus Entalina Monterosato, 1872 2 Genus Bathoxiphus Pilsbry & Sharp, 1897 3 Genus Entalinopsis Habe, 1957 4 Genus Heteroschismoides Ludbrook, 1960 5 Genus Costentalina Chistikov, 1982