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MarBEF Data System |
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WoRMS taxon details
original description
Haeckel, E. (1866). Generelle morphologie der Organismen. Allgemeine Grundzüge der organischen Formen-wissenschaft, mechanisch begründet durch die von Charles Darwin reformirte Descendenztheorie, von Ernst Haeckel. Berlin,G. Reimer. , available online at https://doi.org/10.5962/bhl.title.3953 page(s): Vol. 2, p. LIX [details]
original description
(of Trachomedusae) 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): 234 [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 Medusa bell hemispherical to higher than broad, margin not lobed, with ring of thickened tissue studded with nematocysts, mostly with 8 radial canals, 4, 6 or more than 8 also possible, gonads on radial canals or at junction of radial canals and manubrium, statocysts of endo-ectodermal origin. Polyp stage absent, development direct. Cnidome can include stenoteles. Predominantly forms of the open sea and deeper waters. [details]
From editor or global species database
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