Hayward, P.J., Wigham, G.D. & N. Yonow, 1990. Mollusca I: Polyplacophora, Scaphopoda, and Gastropoda. In: The Marine Fauna of the British Isles and North-West Europe. (ed. P.J. Hayward & J.S. Ryland). Clarendon Press, Oxford: 628-730. Jensen, A.S. & R. Spärck, 1934. Saltvandsmuslinger (Bløddyr II). Danmarks Fauna, 40. G.E.C. Gads Forlag, København. 208 pp. Seaward, D.R., 1990. Distribution of the marine molluscs of north west Europe. Nature Conservancy Council. Step, E., 1927. Shell life. 421 pp. Frederick Warne & Co., LTD, London. Tebble, N., 1966. British Bivalve Seashells. 212 pp. Trustees of The British Museum (Natural history). London. Wagner, H. P., 1991. Review of the European Pectinidae. Vitra Marina, 41(1): 1-48. |