| Rank | Scientific name | Taxonomic status |
|---|---|---|
| family | Acontiophoridae | accepted |
| family | Acricoactinidae | accepted |
| family | Actinernidae | accepted |
| family | Actiniidae | accepted |
| family | Actinodendridae | accepted |
| family | Actinoscyphiidae | accepted |
| family | Actinostolidae | accepted |
| family | Aiptasiidae | accepted |
| family | Aiptasiomorphidae | accepted |
| family | Aliciidae | accepted |
| family | Amphianthidae | accepted |
| family | Andresiidae | accepted |
| family | Andvakiidae | accepted |
| family | Antheidae | accepted |
| family | Antheomorphidae | accepted |
| family | Antipodactinidae | accepted |
| family | Aurelianidae | accepted |
| family | Bathyphelliidae | accepted |
| family | Boloceroididae | accepted |
| family | Capneidae | accepted |
| Show more | ||
Actiniaria. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-17.