Anthoathecatae

Anthoathecatae (Athecate hydroids, Hydromedusae) is an order of the Hydrozoa, a class of marine invertebrates belonging to the phylum Cnidaria.

Families
Families include:


 * Asyncorynidae
 * Australomedusidae
 * Boreohydridae
 * Bougainvilliidae
 * Calycopsidae
 * Candelabriidae
 * Cladocorynidae
 * Cladonematidae
 * Clavidae
 * Clavopsellidae
 * Corymorphidae
 * Corynidae


 * Cytaeididae
 * Dicyclocorynidae
 * Eleutheriidae
 * Eucodoniidae
 * Eudendriidae
 * Euphysidae
 * Halammohydridae
 * Halimedusidae
 * Halocordylidae
 * Hydractiniidae
 * Hydridae
 * Hydrocorynidae


 * Margelopsidae
 * Moerisiidae
 * Niobiidae
 * Otohydridae
 * Pandeidae
 * Pennariidae
 * Polyorchidae
 * Porpitidae
 * Proboscidactylidae
 * Protiaridae
 * Ptilocodiidae


 * Rathkeidae
 * Rosalindidae
 * Russelliidae
 * Sphaerocorynidae
 * Stylasteridae
 * Teissieridae
 * Trichydridae
 * Tubulariidae
 * Urashimeidae
 * Zancleidae
 * Zancleopsidae