McCrady, 1859
With 16 marginal tentacles with normal bulbs, 16 rudimentary bulbs all with one pair of lateral cirri, and about 24 minute knobs without cirri. Umbrella 10 mm wide, hemispherical; manubrium short; mouth with 4 prominent lips; gonads linear, along middle third of radial canals; with 8 marginal statocysts.