| Hydractiniidae | |
|---|---|
| |
| Hydractinia altispina | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hydrozoa |
| Order: | Anthoathecata |
| Suborder: | Filifera |
| Family: | Hydractiniidae L.Agassiz, 1862 |
| Genera | |
|
see text | |
| Synonyms | |
| |
Hydractiniidae is a cnidarian family of athecate hydroids.