Tiarannidae

Tiarannidae is a family of hydrozoans belonging to the order Leptothecata.
Genera:

Chromatonema Fewkes, 1882
Krampella Russell, 1957
Margalefia Pagès, Bouillon & Gili, 1991
Modeeria Forbes, 1848
Stegolaria Stechow, 1913
Stegopoma Levinsen, 1893
Tiaranna Haeckel, 1879