WoRMS taxon details
original description
(of Thyroscyphinae 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]
context source (Hexacorallia)
Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [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]
From editor or global species database
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