Haeckel, 1879
Anthomedusae with evenly rounded or dome-shaped umbrella; without apical canal; without exumbrellar cnidocyst tracks; 1-4 marginal tentacles unequally developed but all of same structure, moniliform or modified moniliform; manubrium cylindrical, stout; mouth simple, circular; gonads encircling manubrium.
Genus Euphysa