WoRMS taxon details

Thyroscyphidae Stechow, 1920

233224  (urn:lsid:marinespecies.org:taxname:233224)

accepted
Family
Thyroscyphinae Stechow, 1920 (accepted as family )
marine, brackish, fresh, terrestrial
recent only
Not documented
Schuchert, P. (2019). World Hydrozoa Database. Thyroscyphidae Stechow, 1920. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=233224 on 2019-04-20
Date
action
by
2006-07-26 13:27:50Z
created
2013-05-21 11:03:14Z
changed
2017-08-31 08:56:38Z
changed
2017-08-31 10:03:14Z
changed
2017-10-24 06:43:48Z
changed

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original description  (ofThyroscyphinae Stechow, 1920) Stechow, E. (1920). Neue Ergebnisse auf dem Gebiete der Hydroidenforschung. <em>Sitzungsberichte der Gesellschaft für Morphologie und Physiologie in München.</em> 31: 9-45.
page(s): 16; note: as subfamily [details]  OpenAccess publication 
From editor or global species database
Diagnosis Colony forming upright shoots or stolonal, arising from a creeping hydrorhiza, commonly monopodial, with terminal growing points; hydrothecae radially to bilaterally symmetrical, pedicellate, or both sessile and pedicellate in the same colony, or sessile but adnate only at diaphragm level (?); hydrothecal margin either entire or with 2 to 4 teeth; operculum of one, 3 or 4 valves and either persistent or shed early; annular perisarcal diaphragm usually present; hydranths with mantle (ectodermal lamella) and a basal annular ectodermal fold; cnidome: microbasic and macrobasic mastigophores; gonophores as fixed sporosacs. [details]