Eschscholtz, 1829
Leptomedusae with very wide, circular manubrium; usually without gastric peduncle; with many simple or branched radial canals; gonads on radial canal separated from manubrium; hollow marginal tentacles; usually with excretory pores or papillae; without marginal or lateral cirri; with closed statocysts; without ocelli.
Genus Aequorea
Genus Rhacostoma
Genus Zygocanna