Hydrozoa taxon details
Gymnangium expansum (Jäderholm, 1903)
284119 (urn:lsid:marinespecies.org:taxname:284119)
accepted
Species
Halicetta expansa (Jäderholm, 1903) · unaccepted
Halicornaria expansa Jäderholm, 1903 · unaccepted (basionym)
Halicornaria sibogae Billard, 1918 · unaccepted (synonym)
marine, brackish, fresh, terrestrial
recent only
(of Halicornaria expansa Jäderholm, 1903) Jäderholm, E. 1903. Aussereuropäische Hydroiden im schwedischen Reichsmuseum. - Arkiv for Zoologi 1: 259-312, pls 12-15., available online at https://www.biodiversitylibrary.org/page/6622275
page(s): 303, pl. 14 figs 5-7 [details]
page(s): 303, pl. 14 figs 5-7 [details]
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Gymnangium expansum (Jäderholm, 1903). Accessed at: https://www.marinespecies.org/hydrozoa/aphia.php?p=taxdetails&id=284119 on 2025-11-09
Date
action
by
original description
(of Halicornaria sibogae Billard, 1918) Billard A. (1918). Notes sur quelques espèces d'hydroïdes de l'expédition du Siboga. <em>Archives de Zoologie Expérimentale et Générale.</em> 57, Notes et Revue: 21-27., available online at https://www.biodiversitylibrary.org/page/6308744
page(s): 25, fig. 4 [details]
original description (of Halicornaria expansa Jäderholm, 1903) Jäderholm, E. 1903. Aussereuropäische Hydroiden im schwedischen Reichsmuseum. - Arkiv for Zoologi 1: 259-312, pls 12-15., available online at https://www.biodiversitylibrary.org/page/6622275
page(s): 303, pl. 14 figs 5-7 [details]
context source (Deepsea) Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
basis of record Vervoort, W.; Schuchert, P. & van der Land, J. (2000-2007). as a contribution to UNESCO-IOC Register of Marine Organisms. (look up in IMIS) [details]
additional source Liu, J.Y. [Ruiyu] (ed.). (2008). [Checklist of marine biota of China seas]. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors
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. <em>in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia.</em> :59-101., available online at https://repository.si.edu/handle/10088/8431 [details] Available for editors
additional source Vervoort, W., & Watson, J. E. 2003. The marine fauna of New Zealand: Leptothecata (Cnidaria: Hydrozoa) (thecate hydroids). NIWA Biodiversity Memoir 119: 1-538. [details]
redescription Vervoort, W., & Watson, J. E. 2003. The marine fauna of New Zealand: Leptothecata (Cnidaria: Hydrozoa) (thecate hydroids). NIWA Biodiversity Memoir 119: 1-538.
page(s): 289 [details]
redescription Schuchert, P. (2015). On some hydroids (Cnidaria, Hydrozoa) from the Okinawa Islands, Japan. <em>Revue suisse de Zoologie.</em> 122(2): 325-370., available online at https://doi.org/10.5281/ZENODO.30004
page(s): 357, fig. 29A-B; note: ecord Okinawa Islands [details]
redescription Ronowicz, M.; Boissin, E.; Postaire, B.; Bourmaud, C. A.-F.; Gravier-Bonnet, N.; Schuchert, P. (2017). Modern alongside traditional taxonomy—Integrative systematics of the genera <i>Gymnangium</i> Hincks, 1874 and <i>Taxella</i> Allman, 1874 (Hydrozoa, Aglaopheniidae). <em>PLOS ONE.</em> 12(4): 1-43., available online at https://doi.org/10.1371/journal.pone.0174244
page(s): 36, 1b, 17a-b [details]
page(s): 25, fig. 4 [details]
original description (of Halicornaria expansa Jäderholm, 1903) Jäderholm, E. 1903. Aussereuropäische Hydroiden im schwedischen Reichsmuseum. - Arkiv for Zoologi 1: 259-312, pls 12-15., available online at https://www.biodiversitylibrary.org/page/6622275
page(s): 303, pl. 14 figs 5-7 [details]
context source (Deepsea) Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
basis of record Vervoort, W.; Schuchert, P. & van der Land, J. (2000-2007). as a contribution to UNESCO-IOC Register of Marine Organisms. (look up in IMIS) [details]
additional source Liu, J.Y. [Ruiyu] (ed.). (2008). [Checklist of marine biota of China seas]. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors
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. <em>in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia.</em> :59-101., available online at https://repository.si.edu/handle/10088/8431 [details] Available for editors
additional source Vervoort, W., & Watson, J. E. 2003. The marine fauna of New Zealand: Leptothecata (Cnidaria: Hydrozoa) (thecate hydroids). NIWA Biodiversity Memoir 119: 1-538. [details]
redescription Vervoort, W., & Watson, J. E. 2003. The marine fauna of New Zealand: Leptothecata (Cnidaria: Hydrozoa) (thecate hydroids). NIWA Biodiversity Memoir 119: 1-538.
page(s): 289 [details]
redescription Schuchert, P. (2015). On some hydroids (Cnidaria, Hydrozoa) from the Okinawa Islands, Japan. <em>Revue suisse de Zoologie.</em> 122(2): 325-370., available online at https://doi.org/10.5281/ZENODO.30004
page(s): 357, fig. 29A-B; note: ecord Okinawa Islands [details]
redescription Ronowicz, M.; Boissin, E.; Postaire, B.; Bourmaud, C. A.-F.; Gravier-Bonnet, N.; Schuchert, P. (2017). Modern alongside traditional taxonomy—Integrative systematics of the genera <i>Gymnangium</i> Hincks, 1874 and <i>Taxella</i> Allman, 1874 (Hydrozoa, Aglaopheniidae). <em>PLOS ONE.</em> 12(4): 1-43., available online at https://doi.org/10.1371/journal.pone.0174244
page(s): 36, 1b, 17a-b [details]
Present Inaccurate Introduced: alien Containing type locality
