Literature
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- Jeffreys, J.G. 1869. British conchology. Vol. V -258 pp. Van Voorst, London.
- Poppe, G.T. & Y. Goto 1991. European Seashells. Vol. I. 352 pp. Wiesbaden/Verlag Christa Hemmen.
- Seaward, D.R. 1990. Distribution of the marine molluscs of north west Europe. Nature Conservancy Council.