PeRMS taxon details
original description
(of ) Fewkes, J. W. 1886a. Report on the medusae collected by the U. S. F. C. Steamer Albatross, in the region of the Gulf Stream, in 1883-84. - United States Commission of Fish and Fisheries 12: 927-980, pls 1-10., available online at https://www.biodiversitylibrary.org/page/15835306 page(s): 952 [details]
context source (Hexacorallia)
Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
basis of record
Kramp, P. L. (1961). Synopsis of the medusae of the world. <em>Journal of the Marine Biological Association of the U. K.</em> 40: 1-469. (look up in IMIS) page(s): 243 [details] 
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Trachymedusae with wide, circular manubrium; mouth circular, without distinct lips; without peduncle; without centripetal canals; usually with eight radial canals (except Varitentaculata which has four), radial canals broad; numerous marginal tentacles of different size, but all structurally alike and arranged in a single series; each marginal tentacle with flexible proximal portion and stiff distal portion; with pendant statocysts. [details]
Spelling The correct family name formation would be Halicreadidae according to § 29.3 of the ICZN.
However, as explained in the same article, prevailing usage should be preserved, like in the example Haliotis and Haliotidae. [details]
From editor or global species database
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