Hand and Hendrickson, 1950
Limnomedusae without statocysts or ocelli; without centripetal canals; manubrium usually with 4-6 or more radial gastric lobes extending along proximal portions of radial canals; with gonads surrounding manubrium and usually extending onto gastric lobes; radial canals generally branched, obliterated canals may be present; with or without exumbrellar cnidocysts clusters or bands alternating with marginal tentacles.
Genus Proboscidactyla