| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Aaptos Gray 1867 | 1 | 0 | 0 |
| Aaptos aaptos (Schmidt 1864) | 0 | 0 | 1 |
| Abalistes (Starry Triggerfishes) | 2 | 0 | 0 |
| Abalistes stellaris (Bloch & Schneider 1801) (starry triggerfish) | 0 | 0 | 1 |
| Abalistes stellatus (Anonymous 1798) (Starry triggerfish) | 0 | 0 | 1 |
| Abax | 2 | 0 | 0 |
| Abax beckenhaupti | 0 | 0 | 1 |
| Abax (Abax) ovalis (Duftschmid 1812) | 0 | 0 | 1 |
| Abelisauridae (Abelisaurids) | 1 | 0 | 0 |
| Ablabys | 1 | 0 | 0 |
| Ablabys binotatus (Peters 1855) (Redskinfish) | 0 | 0 | 1 |
| Ablabys taenianotus (Cuvier 1829) (Cockatoo fish) | 0 | 0 | 1 |
| Ablennes | 1 | 0 | 0 |
| Ablennes hians (Valenciennes 1846) (Flat Needlefish) | 0 | 0 | 1 |
| Abrahamia | 4 | 0 | 0 |
