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.
• Cairns, Stephen D., Dale R. Calder, Anita Brinckmann-Voss, Clovis B. Castro, Daphne G. Fautin,.. 2002. Common and Scientific Names of Aquatic Invertebrates from the United States and Canada: Cnidaria and Ctenophora, Second Edition, 2002. American Fisheries Society Special Publication 28. xi + 115
• Cornelius, Paul F. S., and Carina Östman. 1986. On the names of two species of the genus Clytia Lamouroux, 1812 (Cnidaria, Hydrozoa) common in Western Europe. The Bulletin of Zoological Nomenclature, vol. 43, part 2. 163-169
• Engledow, H.; Spanoghe, G.; Volckaert, A.; Coppejans, E.; Degraer, S.; Vincx, M.; Hoffmann, M. (2001). Onderzoek naar (1) de fysische karakterisatie en (2) de biodiversiteit van strandhoofden en andere harde constructies langs de Belgische kust: eindrapport van de onderhandse overeenkomst dd. 17.02.2000 i.o.v. de Afdeling Waterwegen Kust van het Ministerie van de Vlaamse Gemeenschap, Departement Leefmilieu en infrastructuur, Administratie Waterwegen en Zeewezen [Research on (1) the physical characterization and (2) the biodiversity of groins and other hard constructions along the Belgian coast: final report]. Rapport Instituut voor Natuurbehoud, 2001.20. Universiteit Gent/Instituut voor Natuurbehoud: Gent & Brussel, Belgium. 110 + annexes pp.
• Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
• Gordon, D. (Ed.) (2009). New Zealand Inventory of Biodiversity. Volume One: Kingdom Animalia. 584 pp
• Govindarajan, A.F.; Boero, F.; Halanych, K.M. (2006). [Phylogenetic analysis with multiple markers indicates repeated loss of the adult medusa stage in Campanulariidae (Hydrozoa, Cnidaria)]. Molecular Phylogenetics and Evolution 38: 820-834
• 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.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.
• Hydrozoa (2012). Clytia hemisphaerica (Linnaeus, 1767). In: Schuchert, P. (2009) World Hydrozoa database. Accessed through: Schuchert, P. (2009) World Hydrozoa database at http://www.marinespecies.org/hydrozoa/aphia.php?p=taxdetails&id=117368 on 2012-05-22
• Leewis, R. (2002). Flora en fauna van de zee [Marine flora and fauna]. Veldgids, 16. KNNV Uitgeverij: Utrecht, The Netherlands. ISBN 90-5011-153-X. 320 pp.
• Lock, K.; Mees, J.; Vincx, M.; Goethals, P.L.M. (2011). Did global warming and alien invasions affect surf zone hyperbenthic communities on sandy beaches in Belgium? Hydrobiologia 664: 173-181, + suppl. mat.
• MEDIN (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN, version 1.0.  
• Moyano H. 1995. Bryozoa. En: S Simonetti JA, MTK Arroyo, A Spotorno & E Lozada (eds) Diversidad Biológica de Chile. Comité Nacional de Diversidad Biológica. Comisión Nacinal de Investigación Cientñifica y Tecnológica, Santiago Chile. 364 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.
• North-West Atlantic Ocean species (NWARMS)
• Segura-Puertas, Lourdes, Eduardo Suárez-Morales, and Laura Celis. 2003. A checklist of the Medusae (Hydrozoa, Scyphozoa and Cubozoa) of Mexico. Zootaxa, issue 194. 1-15
• Trott, T.J. 2004. Cobscook Bay inventory: a historical checklist of marine invertebrates spanning 162 years. Northeastern Naturalist (Special Issue 2): 261 - 324.
• UNESCO-IOC Register of Marine Organisms
• Vandendriessche, S.; Degraer, S.; Vincx, M. (2003). Drijvende wieren als habitat voor macrofauna aan de Belgische kust [Floating seaweeds as habitat for macrofauna at the Belgian coast]. De Strandvlo 23(2): 50-57
• d'Udekem d'Acoz, C. (1990). Notes on some organisms collected between Wenduine and De Haan on 3 March 1990 [Notes sur quelques organismes recueillis entre Wenduine et De Haan le 3 mars 1990]. De Strandvlo 10(3): 74-78
• 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