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

References

• 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.
• Cornelius, P.F.S., (1995b). North-west European thecate hydroids and their medusae. Part 2. Sertulariidae to Campanulariidae. Shrewsbury: Field Studies Council. [Synopses of the British Fauna no. 50]
• Dyntaxa (2013) Swedish Taxonomic Database. Accessed at www.dyntaxa.se [15-01-2013].
• 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.]
• Hydrozoa (2013). Kirchenpaueria pinnata (Linnaeus, 1758). In: Schuchert, P. (2013) World Hydrozoa database. Accessed through: Schuchert, P. (2013) World Hydrozoa database at http://www.marinespecies.org/hydrozoa/aphia.php?p=taxdetails&id=117674 on 2013-03-02
• Leloup, E. (1933). Contribution à la connaissance des hydropolypes de la côte des Pays-Bas [Contribution to the knowladge of the hydropolyps of the Dutch coast]. Bull. Mus. royal d'Hist. Nat. Belg./Med. Kon. Natuurhist. Mus. Belg. 9(45): 1-30
• Leloup, E. (1952). Coelentérés [Coelenterata]. ---. Institut royal des Sciences naturelles de Belgique: Brussels, Belgium. 283 pp.
• MEDIN (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN, version 1.0.  
• 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.
• NBN (National Biodiversity Network), (2002). National Biodiversity Network gateway. http://www.searchnbn.net, 2008-10-31 00:00:00
• Schuchert, P. (2013). WoRMS Hydrozoa: World Hydrozoa 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.
• Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.
• UNESCO-IOC Register of Marine Organisms
• van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, 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. 112-120