| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| (Halistaura) | 0 | 0 | 1 |
| Abralia | 0 | 0 | 1 |
| Abraliopsis | 0 | 0 | 1 |
| Abyla Quoy & Gaimard 1827 | 0 | 0 | 1 |
| Abylopsis Chun 1888 | 0 | 0 | 1 |
| Acanthephyra | 0 | 0 | 1 |
| Acanthogorgia Gray 1857 (Yellow and purple spiny fan coral) | 0 | 0 | 1 |
| Acanthoptilum Kolliker 1870 | 0 | 0 | 1 |
| Acanthoscina Vosseler 1900 | 0 | 0 | 1 |
| Acentrophryne | 0 | 0 | 1 |
| Acholoe Claparède 1870 | 0 | 0 | 1 |
| Acrocnida Gislén 1926 | 0 | 0 | 1 |
| Acropoma | 0 | 0 | 1 |
| Acrosphaera Haeckel 1881 | 0 | 0 | 1 |
| Actinoptilum Kükenthal 1911 | 0 | 0 | 1 |
