Literature
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- Postma, W. & H. Kleijn 1957. Het Strand in Kleuren. Meulenhoffs Natuugidsen, Amsterdam.
- 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.