Authors(s)	Fretter, V. and Graham, A.
Year	1981
Title	The prosobranch molluscs of Britain and Denmark. Part 6. Cerithiacea, Strombacea, Hipponicacea, Calyptraeacea, Lamellariacea, Cypraeacea, Naticacea, Tonnacea, Heteropoda. J. moll. Stud. Suppl. 9: 285-363.