MSBIAS name details
Halecium undulatum Billard, 1921
117607 (urn:lsid:marinespecies.org:taxname:117607)
unaccepted > junior subjective synonym (possible synonym, species inquirenda)
Species
marine, brackish, fresh, terrestrial
recent only
Billard, A., 1921. Note sur deux espèces d'hydroïdes du littoral d'Ostende. Annls Soc. r. Zool. Malacol. Belg. 52 : 135-139.
page(s): 137, fig. 3 [details]
page(s): 137, fig. 3 [details]
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2026). World Hydrozoa Database. Halecium undulatum Billard, 1921. Accessed through: The UK Marine Environmental Data and Information Network (2026) Marine Species of Britain, Ireland and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=117607 on 2026-06-02
The UK Marine Environmental Data and Information Network (2026). Marine Species of Britain, Ireland and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications. Halecium undulatum Billard, 1921. Accessed at: https://marinespecies.org/MSBIAS/aphia.php?p=taxdetails&id=117607 on 2026-06-02
Date
action
by
original description
Billard, A., 1921. Note sur deux espèces d'hydroïdes du littoral d'Ostende. Annls Soc. r. Zool. Malacol. Belg. 52 : 135-139.
page(s): 137, fig. 3 [details]
basis of record van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 112-120 (look up in IMIS) [details]
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]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details]
status source Schuchert, P. (2001). Hydroids of Greenland and Iceland (Cnidaria, Hydrozoa). Meddelelser om Grønland. <em>Bioscience.</em> 53: 1-184., available online at https://doi.org/10.7146/mogbiosci.v53.142616
page(s): 87; note: re-examination of type material; could be H. textum, but due to absence of gonotheace it is in fact indeterminable [details]
page(s): 137, fig. 3 [details]
basis of record van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 112-120 (look up in IMIS) [details]
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]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details]
status source Schuchert, P. (2001). Hydroids of Greenland and Iceland (Cnidaria, Hydrozoa). Meddelelser om Grønland. <em>Bioscience.</em> 53: 1-184., available online at https://doi.org/10.7146/mogbiosci.v53.142616
page(s): 87; note: re-examination of type material; could be H. textum, but due to absence of gonotheace it is in fact indeterminable [details]
Present Inaccurate Introduced: alien Containing type locality
