Agassiz, 1862
Leptomedusae with marginal cordyli (Cordylus, Bell margin), with or without cnidocysts; 4, 8, or more simple or branched radial canals; marginal tentacles hollow; with or without marginal cirri; with or without adaxial ocelli; without statocysts.
Genus Laodicea
Genus Ptychogena
Genus Staurophora
Genus Toxorchis