From editor or global species database
Diagnosis Hydroid: unknown. Medusa umbrella with apical projection. Manubrium on gastric peduncle, four unbranched oral filiform tentacles attached above mouth margin, mouth simple, lips indistinct. Marginal tentacles in 8 groups, 4 perradial and 4 interradial, each group with one large tentacle flanked by two small tentacles; large tentacles hollow, without basal swellings, basal part adnate to umbrella and sunk into deep furrows of umbrella margin, adaxial ocellus at base of free portion of each tentacle. Gonads in 8 large adradial pads on manubrium wall. [details]
From editor or global species database