(Péron and Lesueur, 1810)
With 8 simple adradial gonads, smooth; with large, conical, solid, apical projection; with 14-24 small marginal warts. Umbrella up to 4 mm wide and 6 mm high, mesoglea of uniform thickness around top; manubrium cross-like in section, flask-shaped, almost as long as bell cavity; mouth with 4 prominent, recurved lips; marginal tentacles with large elongated conical basal bulbs; without tentaculae; without ocelli.