The Geryoniidae are a family of hydrozoans in the order Trachymedusae.
List of genera
- Geryonia <small>Péron & Lesueur, 1810</small>
- Liriope <small>Lesson, 1843</small>
Nomen dubium
- Heptarradiata <small>Zamponi & Gezano, 1989</small>
- Octorradiata <small>Zamponi & Gezano, 1989</small>
- Pentarradiata <small>Zamponi & Gezano, 1989</small>
References