WoRMS taxon details

Boreohydridae Westblad, 1947

22777  (urn:lsid:marinespecies.org:taxname:22777)

accepted
Family
marine, brackish, fresh, terrestrial
recent only
Westblad, E., 1947. Notes on hydroids. Ark. Zool., Stockholm -39 5: 1-23. [details]   
Schuchert, P. (2018). World Hydrozoa Database. Boreohydridae Westblad, 1947. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=22777 on 2018-06-23
Date
action
by
2004-12-21 15:54:05Z
created
db_admin
2008-01-10 07:31:11Z
changed
2009-04-28 06:22:10Z
changed
2010-09-08 12:01:38Z
changed
2013-02-22 16:26:12Z
changed
2016-08-15 09:01:12Z
changed

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original description Westblad, E., 1947. Notes on hydroids. Ark. Zool., Stockholm -39 5: 1-23. [details]   

basis of record 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]   
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
From editor or global species database
Diagnosis Medusa umbrella evenly rounded with thick apical jelly; manubrium half as long as bell cavity, with or without broad, dome-shaped apical chamber; mouth simple, with ring of nematocysts; gonad forming thick ring around manubrium; four narrow radial canals
and narrow ring canal; four marginal bulbs each with a solid tentacle terminating in ovoid knob studded with nematocysts. No ocelli.
Hydroids solitary, small, with one whorl of reduced tentacles, capitate or not, located in the oral or median part of column; perisarc covering of base filmy or absent; gametes in body wall.  [details]