The closely related genera Aganonerion, Parameria and Urceola are revised. One species of Aganonerion is recognised. Three species of Parameria are recognised and Parameriopsis is included in synonymy. Ecdysanthera, Chavannesia, Xylinabaria, Hymenolophus, Parabarium, Pezisicarpus, Xylinabariopsis and Chunechites are included in synonymy of Urceola in which 16 species are recognised. Within Urceola one new species is described.