(1996). Collins pocket guide. Sea shore of Britain and northern Europe. London: HarperCollins.
(1997). The species directory of the marine fauna and flora of the British Isles and surrounding seas. Belfast: Ulster Museum. [Ulster Museum publication, no. 276.]
(1999). Marine Environment Resource Mapping And Information Database (MERMAID): Marine Nature Conservation Review Survey Database. [on-line] http://www.jncc.gov.uk/mermaid,
(2002). National Biodiversity Network gateway. http://www.searchnbn.net, 2008-10-31 00:00:00
(1976). British Bivalve Seashells. A Handbook for Identification, 2nd ed. Edinburgh: British Museum (Natural History), Her Majesty's Stationary Office.