The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• Crothers, J. A., (1997). A key to the major groups of British marine invertebrates. Field Studies, 9, 1-177.
• Hayward, P., Nelson-Smith, T. & Shields, C., (1996). Collins pocket guide. Sea shore of Britain and northern Europe. London: HarperCollins.
• Hayward, P.J.; Ryland, J.S. (Ed.) (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. ISBN 0-19-857356-1. 627 pp.
• Howson, C.M. & Picton, B.E. (ed.), (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.]
• Mah, C.; Hansson, H. (2012). Echinaster (Echinaster) sepositus (Retzius, 1783). In: Mah, C.L. (2012). World Asteroidea database. Accessed through: Mah, C.L. (2012). World Asteroidea database at http://www.marinespecies.org/Asteroidea/aphia.php?p=taxdetails&id=125161 on 2013-03-02
• Mah, C.L. (2013). WoRMS Asteroidea: World Asteroidea database (version 2013-03-04). In: Species 2000 & ITIS Catalogue of Life, 11th March 2013 (Roskov Y., Kunze T., Paglinawan L., Orrell T., Nicolson D., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Hernandez F., De Wever A., eds). Digital resource at www.catalogueoflife.org/col/. Species 2000: Reading, UK.
• Picton, B.E. & Costello, M.J., (1998). BioMar biotope viewer: a guide to marine habitats, fauna and flora of Britain and Ireland. [CD-ROM] Environmental Sciences Unit, Trinity College, Dublin., http://www.itsligo.ie/biomar/
• Southward, E.C.; Campbell, A.C. (2006). [Echinoderms: keys and notes for the identification of British species]. Synopses of the British fauna (new series), 56. Field Studies Council: Shrewsbury, UK. ISBN 1-85153-269-2. 272 pp.