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Deep-Sea taxon details

Thyroscyphidae Stechow, 1920

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

accepted
Family
marine, brackish, fresh, terrestrial
recent only
Not documented
Schuchert, P. (2021). World Hydrozoa Database. Thyroscyphidae Stechow, 1920. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2021) World Register of Deep-Sea species (WoRDSS) at: https://www.marinespecies.org/deepsea./aphia.php?p=taxdetails&id=233224 on 2021-06-24
Glover, A.G.; Higgs, N.; Horton, T. (2021). World Register of Deep-Sea species (WoRDSS). Thyroscyphidae Stechow, 1920. Accessed at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=233224 on 2021-06-24
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

context source (Bermuda) Calder, D. R. (1990). Shallow-water hydroids of Bermuda: the Thecatae, exclusive of Plumularioidea. Royal Ontario Museum Life Sciences Contributions , 154 [details]   
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]
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