WoRMS taxon details

Protiaridae Haeckel, 1879

22962  (urn:lsid:marinespecies.org:taxname:22962)

marine, brackish, fresh, terrestrial
recent only
Schuchert, P. (2018). World Hydrozoa Database. Protiaridae Haeckel, 1879. Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=22962 on 2018-04-22
2004-12-21 15:54:05Z
2009-04-28 12:00:23Z

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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. Thalassia Salent. 24: 47-296 (look up in IMIS[details]   
From editor or global species database
Diagnosis Hydroids stolonal, arising from creeping stolons; hydranths on short hydrocaulus; hydrorhiza and hydrocaulus covered by perisarc, which forms a cup at hydranth base; hydranth with one whorl of filiform tentacles, large nematocysts alternating with tentacles; gonophores unknown. Medusa with four developed marginal tentacles arising from large, hollow tentacular bulbs; four simple radial canals and a circular canal, mouth with four simple lips; gonads interradial, with smooth surface; with or without mesenteries; without rudimentary bulbs; margin with or without cirri-like tentacles; exceptionally with ocelli.  [details]