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CaRMS taxon details

Bythotiaridae Maas, 1905

231542  (

marine, brackish, fresh, terrestrial
recent only
Maas O. (1905c). Die Craspedoten Medusen der Siboga-Expeditie. <em>Siboga Expeditie.</em> 10: 1-84, pls 1-14., available online at
page(s): 15 [details]   
Schuchert, P. (2021). World Hydrozoa Database. Bythotiaridae Maas, 1905. Accessed through: Kennedy, M.K., L. Van Guelpen, G. Pohle, L. Bajona (Eds.) (2021) Canadian Register of Marine Species at: on 2021-05-11
Nozères, C., Kennedy, M.K. (Eds.) (2021). Canadian Register of Marine Species. Bythotiaridae Maas, 1905. Accessed at: on 2021-05-11
2006-05-29 14:23:10Z
2008-01-10 07:31:11Z
2009-04-28 12:00:23Z
2009-12-31 08:58:30Z
2010-01-19 12:09:11Z
2016-05-25 18:35:53Z

original description Maas O. (1905c). Die Craspedoten Medusen der Siboga-Expeditie. <em>Siboga Expeditie.</em> 10: 1-84, pls 1-14., available online at
page(s): 15 [details]   

original description  (of Calycopsidi Mayer, 1910) Mayer, A. G. 1910. Medusae of the world. Hydromedusae, Vols. I & II. Scyphomedusae, Vol III. Carnegie Institution, Washington. pp. 735, plates 1-76., available online at
page(s): 104 [details]  OpenAccess publication 

basis of record RAMS Hydrozoa checklist from Dr. Álvaro L. Peña Cantero (look up in IMIS[details]   

additional source Bouillon, J.; Gravili, C.; Pagès, F.; Gili, J.-M.; Boero, F. (2006). An introduction to Hydrozoa. Mémoires du Muséum national d'Histoire naturelle, 194. Muséum national d'Histoire naturelle: Paris, France. ISBN 2-85653-580-1. 591 + 1 cd-rom pp. (look up in IMIS[details]   

identification resource Du F, Wang L, Xu Zh, Huang J, Guo D. (2018). Taxonomic notes on Anthomedusae (Cnidaria: Hydrozoa: Hydroidomedusa) from the south-central South China Sea, with a new genus and four new species. <em>Acta Oceanologica Sinica.</em> 37(10): 112–118., available online at [details]  Available for editors  PDF available 
 Present  Inaccurate  Introduced: alien  Containing type locality 
From editor or global species database
Diagnosis Hydroids living in the prebranchial cavities of ascidians, unbranched, naked, arising from fleshy, plate-like hydrorhiza; hydranths with indistinct, naked pedicel, up to five irregular whorls of filiform tentacles; medusae buds arising from polyps at junction to pedicel. Medusa with four lips, simple or crenulated; with or without centripetal canals; gonads on manubrial wall, adradial or interradial, simple or folded; four or eight radial canals, simple or branching; four, eight, or more hollow marginal tentacles, each a large terminal swelling, basal portion of tentacles often adnate to exumbrella; marginal bulbs highly reduced or absent; with or without rudimentary or dwarf solid tentacles; rarely with abaxial ocelli.  [details]
Japanese スグリクラゲ科  [details]
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