Solmundaeginidae Lindsay, Bentlage & Collins 2017

Solmundaeginidae is a family of hydrozoans in the order Narcomedusae.

Narcomedusae with manubrial pouches interradial, undivided or divided into two to four parts, bearing gonads; exumbrellar, perradial, primary tentacles between marginal lobes; without a peripheral canal system; with two or four primary tentacles leaving umbrella in apical half, well above level of stomach pouches; tentacle roots acutely recurved orally; no nematocyst-laden, deep peronial grooves; with peronia, equal or twice as many in number as the primary tentacles; without secondary tentacles on umbrella margin but with rudimentary bulbs; with or without nematocyst patches covering exumbrella.