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MarBEF Data System |
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WoRMS taxon details
original description
Haeckel, E. (1879). Das System der Medusen. Erster Teil einer Monographie der Medusen. <em>Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena.</em> 1: XX+1-360, 320 plates., available online at https://www.biodiversitylibrary.org/page/32605578 page(s): 299 [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
Hydrozoa without polyp stage or only very reduced and modified polyp stage.
Meduse with bell composed of a lens-shaped mass of jelly and much thinner sides, tentacles inserting above bell margin, no tentacular bulbs, bell margin lobed, stomach big, not forming a distinct manubrium, without radial canals; Statocysts almost always external, of endo-ectodermal origin.
Some abberrant forms without bell, wormlike, with four swimming lappets.
No stenoteles. Predominantly forms of the open sea and deeper waters. [details]
From editor or global species database
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