| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Aaptos Gray 1867 | 1 | 0 | 0 |
| Aaptos niger Hoshino 1981 | 0 | 0 | 1 |
| Ablennes | 1 | 0 | 0 |
| Ablennes hians (Valenciennes 1846) | 0 | 0 | 1 |
| Abra Lamarck 1818 | 1 | 0 | 0 |
| Abra palmeri Dall 1915 | 0 | 0 | 1 |
| Abudefduf | 4 | 0 | 0 |
| Abudefduf concolor (Gill 1862) | 0 | 0 | 1 |
| Abudefduf declivifrons (Gill 1862) | 0 | 0 | 1 |
| Abudefduf saxatilis (Linnaeus 1758) | 0 | 0 | 1 |
| Abudefduf troschelii (Gill 1862) | 0 | 0 | 1 |
| Abylidae L. Agassiz 1862 | 1 | 0 | 0 |
| Abyssocucumis Heding 1942 | 1 | 0 | 0 |
| Abyssocucumis abyssorum (Théel 1886) | 0 | 0 | 2 |
| Abyssorchomene De Broyer 1984 | 1 | 0 | 0 |
