McCrady, 1859
With 8 gonads, 4 on subumbrella, extending from base of peduncle outwards, 4 on greater part of peduncle. Umbrella up to 30 mm wide, as broad as high; with long, slender, tapering gastric peduncle, twice as long as bell diameter; manubrium small, flask-shaped; mouth with 4 simple recurved lips; 4 long tentacles with or without lateral cirri; about 100 marginal warts, some with lateral cirri; 8 statocysts.