(Includes several described polyp species with very similar medusae)
Umbrella up to 5 mm wide, 6 mm high, pear-shaped to globular, apical mesoglea about twice as thick as lateral walls; with or without slight peduncle; manubrium large, pear-shaped; mouth with up to 32 simple, more or less capitate and adnate oral tentacles; with 4 broad radial canals; marginal tentacle bulbs large, pyriform to triangular, attached to exumbrella above tentacles; medusa buds on base of manubrium.