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

References

• Aloui-Bejaoui, N., Afli, A. 2012. Functional diversity of the macro-invertebrate community in the port area of Kerkennah Islands (Tunisia). Medit. Mar. Sci., 13 (1): 93-102.
• Bouchet P.,Gofas S. & Rosenberg G. (2013). WoRMS Mollusca: World Marine Mollusca database (version Feb 2013). 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.
• Fish, J.D. & Fish, S., (1996). A student's guide to the seashore. Second edition. Cambridge: Cambridge University Press.
• Fretter, V. & Graham, A., (1994). British prosobranch molluscs: their functional anatomy and ecology, revised and updated edition. London: The Ray Society.
• G. T. Poppe and Y. Goto. 1991. European Seashells
• Gofas, S. (2013). Calliostoma zizyphinum (Linnaeus, 1758). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=141767 on 2013-03-02
• Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, 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. 180-213
• Gofas, S.; Le Renard, J.; Bouchet, P. 2001. Mollusca, 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:
• Graham, A., (1988). Molluscs: prosobranchs and pyramellid gastropods (2nd ed.). Leiden: E.J. Brill/Dr W. Backhuys. [Synopses of the British Fauna No. 2]
• 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).
• 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.
• Kerckhof, F. 2010. Pers. com.
• Koukouras, Athanasios. (2010). Check-list of marine species from Greece. Aristotle University of Thessaloniki. Assembled in the framework of the EU FP7 PESI project.
• Linnaeus, C. 1758. Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio decima, reformata. Laurentius Salvius: Holmiae. ii, 824 pp.
• MEDIN (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN, version 1.0.  
• Muller, 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.
• 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.
• Natural Geography in Shore Areas (NaGISA) database, compiled by Ann Knowlton.
• Ramos, M. (ed.). 2010. IBERFAUNA. The Iberian Fauna Databank