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

References

• Costello, M.J., Bouchet, P., Boxshall, G., Emblow, C. & Vanden Berghe, E., (2004). European Register of Marine Species [On-line]. http://www.marbef.org/data/erms.php,
• Crothers, J. A., (1997). A key to the major groups of British marine invertebrates. Field Studies, 9, 1-177.
• Fish, J.D. & Fish, S., (1996). A student's guide to the seashore. Second edition. Cambridge: Cambridge University Press.
• 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.
• 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.]
• IMERS
• Land J. van der (ed) (†) (2013). URMO: UNESCO-IOC Register of Marine Organisms (version Nov 2008). 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.
• MEDIN (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN, version 1.0.  
• Murina, G. (2012). Thalassema thalassemum (Pallas, 1766). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=110375 on 2013-03-02
• NBN (National Biodiversity Network), (2002). National Biodiversity Network gateway. http://www.searchnbn.net, 2008-10-31 00:00:00
• Nickell, L.A. & Atkinson, R.J.A., (1994). Observations on the behaviour of Thalassema thalassemum (Echiura: Echiuridae). Journal of the Marine Biological Association of the United Kingdom, 74(4), 963-966,
• Ramos, M. (ed.). 2010. IBERFAUNA. The Iberian Fauna Databank
• Stephen, A. C., and S. J. Edmonds. 1972. The Phyla Sipuncula and Echiura. vii + 528
• UNESCO-IOC Register of Marine Organisms
• Wilkie, I.C (1990). First record of the spoon-worm Thalassema thalassemum (Pallas), Echiura, in Scottish waters. Glasgow Naturalist, 21, 515-517,
• van der Land, J. (2001). Echiura, 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. 178