With 120 tentacles. Umbrella about 4 mm wide, a little broader than high; with strong musculature; gonads linear, extending along proximal two thirds of 8 radial canals; number of statocysts unknown.
Kingdom Animalia Phylum Cnidaria Subphylum Medusozoa Superclass Hydrozoa Class Hydroidomedusae Subclass Trachymedusae Family Rhopalonematidae Genus Pantachogon Species Pantachogon scotti