| Acaulidae | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hydrozoa |
| Order: | Anthoathecata |
| Suborder: | Aplanulata |
| Family: | Acaulidae Fraser, 1924 |
Acaulidae is a family of cnidarians belonging to the order Anthoathecata.
Genera:
- Acaulis Stimpson, 1853
- Acauloides Bouillon, 1965
- Blastothela Verrill, 1878
- Cryptohydra Thomas, Edwards & Higgins, 1995
