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CaRMS taxon detailsPorpitidae Goldfuss, 1818
 20790 (urn:lsid:marinespecies.org:taxname:20790)
accepted
Family
marine,
recent + fossil
Goldfuss, G.A., 1818. Ueber die Classification der Zoophyten. Isis, 1818 : 1008-1013.
page(s): 1012; note: originally introduced as Porpitae Goldfuss, 1818 (incorrect name formation) emended to Porpitidae by Guilding (1828) [details] 
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Porpitidae Goldfuss, 1818. Accessed through: Nozères, C., Kennedy, M.K. (Eds.) (2025) Canadian Register of Marine Species at: https://www.marinespecies.org/CaRMS/aphia.php?p=taxdetails&id=20790 on 2025-05-06
Nozères, C., Kennedy, M.K. (Eds.) (2025). Canadian Register of Marine Species. Porpitidae Goldfuss, 1818. Accessed at: https://www.marinespecies.org/Carms/aphia.php?p=taxdetails&id=20790 on 2025-05-06
Date action by 2004-12-21 15:54:05Z created db_admin
original description
Goldfuss, G.A., 1818. Ueber die Classification der Zoophyten. Isis, 1818 : 1008-1013.
page(s): 1012; note: originally introduced as Porpitae Goldfuss, 1818 (incorrect name formation) emended to Porpitidae by Guilding (1828) [details] context source (Hexacorallia) Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details] basis of record Bouillon, J.; Boero, F. (2000). Synopsis of the families and genera of the Hydromedusae of the world, with a list of the worldwide species. <i>Thalassia Salent. 24</i>: 47-296 (look up in IMIS) [details]  Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Hydroid colonial, mobile, when mature floating on water surface, with a chitinous internal skeleton, forming a floating chamber, covered by mantle, hydranths polymorphic on underside of float, one central, large, atentaculate gastrozooid; surrounded by gastro-gonozooids and dactylozooids; tentacles capitate or reduced to nematocyst patches. Medusa with evenly-rounded bell; four or eight radial canals and an equal number of exumbrellar nematocystcyst tracks containing stenoteles, nematocyst tracks originating from marginal bulbs; circular canal present; manubrium short, conical; mouth circular; gonads perradial or irregularly arranged perradially and interradially; two opposite thin marginal tentacles terminating in large spherical nematocyst knob, with or without an additional adaxially oriented short tentacle developed from tentaculiferous bulbs; two or six small marginal bulbs without tentacles; ocelli lacking; cndome comprising spherical stenoteles, macrobasic euryteles and atrichous haplonemes; zooxanthellae generally present. [details]
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