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: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=20790 on 2025-07-16
original descriptionGoldfuss, 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]
original description(ofChondrophora †)Totton, A. K. (1954). Siphonophora of the Indian Ocean together with systematic and biological notes on related specimens from other oceans. <em>Discovery Rep.</em> 27: 1-162., available online athttps://www.biodiversitylibrary.org/page/5611213 page(s): 26 [details]
original description(ofPorpalidae Haeckel, 1888)Haeckel, E. (1888). Report on the Siphonophorae. <em>Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–76. Zoology.</em> 28 (part 77): i-viii, 1-380, pl. 1-50., available online athttps://www.biodiversitylibrary.org/page/3155485 page(s): 57; note: as subfamily of Porpitidae, but suffix is family level, not sub-family [details]
original description(ofPorpitellidae Haeckel, 1888)Haeckel, E. (1888). Report on the Siphonophorae. <em>Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–76. Zoology.</em> 28 (part 77): i-viii, 1-380, pl. 1-50., available online athttps://www.biodiversitylibrary.org/page/3155485 page(s): 63; note: as subfamily of Porpitidae, but suffix is family level, not sub-family [details]
basis of recordBouillon, 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]
Other
context source (Hexacorallia)Fautin, Daphne G. (2013). Hexacorallians of the World. (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]