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

References

• Barfield, P., (2003). Notes on the history of the celtic sea slug; Onchidella celtica (Cuvier, 1817). Porcupine Newsletter, 13, 10-12.
• Borges, P.A.V., Costa, A., Cunha, R., Gabriel, R., Gonçalves, V., Martins, A.F., Melo, I., Parente, M., Raposeiro, P., Rodrigues, P., Santos, R.S., Silva, L., Vieira, P. & Vieira, V. (Eds.) (2010). A list of the terrestrial and marine biota from the Azores. Princípia, Oeiras, 432 pp.
• Crothers, J. A., (1997). A key to the major groups of British marine invertebrates. Field Studies, 9, 1-177.
• 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
• 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.]
• MEDIN (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN, version 1.0.  
• NBN (National Biodiversity Network), (2002). National Biodiversity Network gateway. http://www.searchnbn.net, 2008-10-31 00:00:00
• Onchidella celtica
• Ramos, M. (ed.). 2010. IBERFAUNA. The Iberian Fauna Databank
• Rudman, B., (2002). Sea slug forum [on-line]. http://www.seaslugforum.net/, 2004-06-23 00:00:00
• Sanderson, W.G., (1996). Rare benthic marine flora and fauna in Great Britain: the development of criteria for assessment. Joint Nature Conservation Committee, Peterborough. JNCC Report, no. 240.
• Smith, S., (1987). Onchidella celtica (Forbes and Hanley, 1852) and other mollusca occasionally visiting western Scottish seas. Porcupine Newsletter, 3, 274-280.
• Stachowitsch, M., (1992). The invertebrates: an illustrated glossary. USA: Wiley-Liss.
• Tween, T.C., (1987). Onchidella and the sublittoral. Porcupine Newsletter, 4, 19-22.
• WoRMS (2012). Onchidella celtica (Cuvier, 1817). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=140626 on 2013-03-02