Gonads linear, folded, along greater part of radial canals, leaving both ends free; 8 marginal cirri between successive tentacles. Umbrella 13-17 mm wide, almost hemispherical, with thin walls; gonads hanging down in large vertical folds; 32-72 marginal tentacles.
Kingdom Animalia Phylum Cnidaria Subphylum Medusozoa Superclass Hydrozoa Class Hydroidomedusae Subclass Leptomedusae Order Conica Family Mitrocomidae Genus Mitrocomella Species Mitrocomella frigida
