WoRMS taxon details
Halecium dyssymetrum Billard, 1929
284722 (urn:lsid:marinespecies.org:taxname:284722)
accepted
Species
Endothecium dyssymetrum (Billard, 1929) · unaccepted (invalid genus)
Sagamihydra dyssymetra (Billard, 1929) · unaccepted (synonym)
marine, terrestrial
Billard, A., 1929. Note sur un genre nouveau et quelques espèces nouvelles d'Halecidae. Bull. Soc. zool. Fr. 54 : 305-307.
page(s): 307, fig. 1C [details]
page(s): 307, fig. 1C [details]
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Halecium dyssymetrum Billard, 1929. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=284722 on 2025-08-25
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Nomenclature
original description
Billard, A., 1929. Note sur un genre nouveau et quelques espèces nouvelles d'Halecidae. Bull. Soc. zool. Fr. 54 : 305-307.
page(s): 307, fig. 1C [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]
page(s): 307, fig. 1C [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]
Taxonomy
redescription
Millard, N.A.H. (1975). Monograph on the Hydroida of southern Africa. <em>Annals of the South African Museum.</em> 68: 1-513., available online at https://www.biodiversitylibrary.org/page/40921697
page(s): 150 [details]
page(s): 150 [details]
Other
additional source
Galea, H. R. (2010). Additional shallow-water thecate hydroids (Cnidaria: Hydrozoa) from Guadeloupe and Les Saintes, French Lesser Antilles. <em>Zootaxa.</em> 2570: 1–40.
page(s): 10 [details]
page(s): 10 [details]





Unreviewed
Biology colonial [details]