World Hydrozoa Database


Hydrozoa taxon details

Cyclocanna Bigelow, 1918

117157  (urn:lsid:marinespecies.org:taxname:117157)

accepted
Genus
marine, fresh, terrestrial
recent only
Bigelow, H. B. 1918. Some Medusae and Siphonophora from the western Atlantic. Bulletin of the Museum of comparative Zoölogy of Harvard College 62: 363-442, pls 1-8., available online at http://www.biodiversitylibrary.org/item/21150#page/463/mode/1up
page(s): 383 [details]   
Schuchert, P. (2018). World Hydrozoa Database. Cyclocanna Bigelow, 1918. Accessed at: http://www.marinespecies.org/hydrozoa/aphia.php?p=taxdetails&id=117157 on 2019-04-20
Date
action
by
2004-12-21 15:54:05Z
created
2006-09-08 06:50:23Z
changed
Martinez, Olga
2010-12-16 13:14:56Z
checked
2016-03-18 06:35:11Z
changed

original description Bigelow, H. B. 1918. Some Medusae and Siphonophora from the western Atlantic. Bulletin of the Museum of comparative Zoölogy of Harvard College 62: 363-442, pls 1-8., available online at http://www.biodiversitylibrary.org/item/21150#page/463/mode/1up
page(s): 383 [details]   

basis of record van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 112-120 (look up in IMIS[details]   

additional source Neave, Sheffield Airey. (1939). Nomenclator Zoologicus Online. [print version]., available online at http://ubio.org/NomenclatorZoologicus/ [details]   
From editor or global species database
Diagnosis  Mitrocomidae medusa with 4 long radial canals, each radial canal curved sharply near circular canal and running along circular canal, gonads along radial canals and giving a swastika pattern; 8 open statocysts; no ocelli, no cirri. Hydroid stolonal, hydrotheca pedicellate, deeply campanulate, widest at distal end operculum cone-shaped not distinctly demarcated from hydrotheca; diaphragm reduced; nematophores and nematothecae present, solitary nematothecae bulbous, on hydrorhizas; gonotheca borne on hydrorhiza, large, fan-shaped. [details]