Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Cnidaria > Subphylum Medusozoa > Class Hydrozoa > Subclass Hydroidolina > Order Leptothecata > Suborder Campanulariida > Superfamily Campanularioidea > Family Campanulariidae > Subfamily Obeliinae > Genus Obelia

Obelia dichotoma (Linnaeus, 1758)

Rank: Species
Taxon Status: accepted

Original genus

Sertularia Linnaeus, 1758

Relationships towards this taxon

Genus group names

*Obelia*	Péron & Lesueur, 1810	accepted genus name

Species group names

*Obelia plicata*	Hincks, 1868	synonym

Vernaculars (+) (-)

Dutch: lange zeedraad sources: 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.

English: sea thread hydroid; thin-walled obelia sources: van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).;Cole, T. C. H. (2017). Wörterbuch der Wirbellosen / Dictionary of Invertebrates. Latein-Deutsch-English. 2017. Springer Spektrum: Berlin. ISBN 978-3-662-52869-3. XII, 574 pp.

German: Gegabelter Glockenpolyp sources: Cole, T. C. H. (2017). Wörterbuch der Wirbellosen / Dictionary of Invertebrates. Latein-Deutsch-English. 2017. Springer Spektrum: Berlin. ISBN 978-3-662-52869-3. XII, 574 pp.

Japanese: ヤセオベリア

Literature

basis of record	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
additional source	Calder D.R. (1991). Shallow-water hydroids of Bermuda: the Thecatae, exclusive of Plumularioidea. Royal Ontario Museum Life Sciences Contributions. 154: 1-140.
additional source	Cairns, S.D., L. Gershwin, F.J. Brook, P. Pugh, E.W. Dawson, O.V. Ocaña, W. Vervoort, G. Williams, J.E. Watson, D.M. Opresko, P. Schuchert, P.M. Hine, D.P. Gordon, H.I. Campbell, A.J. Wright, J.A.Sánchez & D.G. Fautin. (2009). Phylum Cnidaria: corals, medusae, hydroids, myxozoans. in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. :59-101.
additional source	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.
additional source	Integrated Taxonomic Information System (ITIS).
additional source	Watson, J. E. (2024). The marine hydroids of south-eastern Australia (Cnidaria: Hydrozoa). Museum Victoria Science Reports. 22: 1-121.
additional source	Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. China Science Press. 1267 pp.
additional source	NODC. (1997). NODC Taxonomic codes.
additional source	Calder, D. R. and S. D. Cairns. 2009. Hydroids (Cnidaria: Hydrozoa) of the Gulf of Mexico, Pp. 381–394 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
additional source	Bouillon, J.; Boero, F. (2000). Synopsis of the families and genera of the Hydromedusae of the world, with a list of the worldwide species. Thalassia Salent. 24: 47-296
additional source	Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. Canadian Special Publication of Fisheries and Aquatic Sciences, 126. 405 pp.
redescription	Cornelius, P. F. S. (1995). North-West European Thecate Hydroids and their Medusae.Part 2. Sertulariidae to Campanulariidae. In: R.S.K. Barnes & J.H. Crothers, eds, Synopses of the British Fauna (New Series). The Linn. Soc. London and Est. Coas. Sci. Ass. - Field Studies Council. 50 : i-vii, 1-386.

Genbank

External Links

Marine Life Information Network - UK

Citation

Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Obelia dichotoma (Linnaeus, 1758). Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:117386