Hydractiniidae

Hydractiniidae is a cnidarian family of athecate hydroids.

Genera
The World Register of Marine Species includes the following genera in the family:


 * Bouillonactinia Miglietta, McNally & Cunningham, 2010
 * Clava Gmelin, 1788
 * Clavactinia Thornely, 1904
 * Cnidostoma Vanhöffen, 1911
 * Distichozoon Cairns, 2015
 * Fiordlandia Schuchert, 1996
 * Hydractinia Van Beneden, 1844
 * Hydrissa Stechow, 1922
 * Hydrocorella Stechow, 1921
 * Janaria Stechow, 1921
 * Parahydractinia Xu & Huang, 2006
 * Podocoryna M. Sars, 1846
 * Schuchertinia Miglietta, McNally & Cunningham, 2010
 * Stylactis Allman, 1864