Mayer, 1900
Marginal tentacles without ocelli. Umbrella 2 mm high, higher than wide, dome-like with vertical sides, mesoglea fairly thick; manubrium flask-shaped, short, cruciform in section; oral tentacles with long basal trunk, divided 2-3 times; marginal bulbs small, each with 2 long tentacles, without ocelli; 8 adradial gonads, mature females with planulae.