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

References

• A. Pomel. 1883. Classification méthodique des échinides vivants et fossiles. Adolphe Jourdan, Alger
• Cattrijsse, A.; Vincx, M. (2001). Biodiversity of the benthos and the avifauna of the Belgian coastal waters: summary of data collected between 1970 and 1998. Sustainable Management of the North Sea. Federal Office for Scientific, Technical and Cultural Affairs: Brussel, Belgium. 48 pp.
• Davoult, D. (2002). Faune et flore du littoral du Pas-de-Calais et de la Manche orientale: mise à jour de la liste des espèces d'Echinodermes [Fauna and flora of the Pas-de-Calais coast and the eastern English Channel: review of the echinoderm species list]. Rev. Trav. Stat. Mar. Wimereux 2001(24): 1-3
• Dyntaxa (2013) Swedish Taxonomic Database. Accessed at www.dyntaxa.se [15-01-2013].
• Guiry, M.D. & Guiry, G.M. (2011). Species.ie version 1.0 World-wide electronic publication, National University of Ireland, Galway (version of 15 March 2010).
• Hansson, H.G. (2001). Echinodermata, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 336-351
• Hansson, H.G. (Comp.) 1998. NEAT (North East Atlantic Taxa): Scandinavian Echinodermata Check-List
• 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.), (1995b). Handbook of the marine fauna of North-West Europe. Oxford: Oxford University Press.
• 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.]
• ILVO epifauna en demersale visdata: epifauna en demersale vismonitoring op het Belgisch deel van de Noordzee sinds 1979
• Koehler, R. (1921). Echinodermes. Faune de France, 1. Librairie de la Faculte des Sciences, Paris. 216 pp.
• Koukouras, A., Sinis, A. I., Bobori, D., Kazantzidis, S. & Kitsos, M.-S. 2007. The echinoderm (Deuterostomia) fauna of the Aegean Sea, and comparison with those of the neighbouring seas. Journal of Biological Research 7, 67-92.
• Koukouras, Athanasios. (2010). Check-list of marine species from Greece. Aristotle University of Thessaloniki. Assembled in the framework of the EU FP7 PESI project.
• Kroh, A. & Mooi, R. (2013). WoRMS Echinoidea: World Echinoidea 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.
• Kroh, A.; Hansson, H. (2013). Spatangus purpureus O.F. Müller, 1776. In: Kroh, A. & Mooi, R. (2013) World Echinoidea Database. Accessed through: Kroh, A. & Mooi, R. (2013) World Echinoidea Database at http://www.marinespecies.org/echinoidea/aphia.php?p=taxdetails&id=124418 on 2013-03-02
• MEDIN (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN, version 1.0.  
• Massin, Cl.; De Ridder, Ch. (1989). Les échinodermes de Belgique [The Echinodermata from Belgium], in: Wouters, K.; Baert, L. (Ed.) (1989). Proceedings of the Symposium "Invertebrates of Belgium". pp. 395-402
• Müller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. Commission Régionale de Biologie Région Nord Pas-de-Calais: France. 307 pp.
• 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.
• Zühlke, R.; Alvsvåg, J.; De Boois, I.; Cotter, J.; Ehrich, S.; Ford, A.; Hinz, H.; Jarre-Teichmann, A.; Jennings, S.; Kröncke, I.; Lancaster, J.; Piet, G.; Prince, P. (2001). Epibenthic diversity in the North Sea. Senckenb. Marit. 31(2): 269-281