The Geryoniidae are a family of hydrozoans in the order Trachymedusae.

List of genera Geryonia Péron & Lesueur, 1810 Liriope Lesson, 1843 Nomen dubium Heptarradiata Zamponi & Gezano, 1989 Octorradiata Zamponi & Gezano, 1989 Pentarradiata Zamponi & Gezano, 1989

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