| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Hexelasma Hoek 1913 | 1 | 0 | 0 |
| Aaptolasma triderma | 0 | 0 | 1 |
| Abacetus | 1 | 0 | 0 |
| Abacetus leucotelus Bates 1873 | 0 | 0 | 1 |
| Abalistes (Starry Triggerfishes) | 1 | 0 | 0 |
| Abalistes stellaris (Bloch & Schneider 1801) (starry triggerfish) | 0 | 0 | 1 |
| Abarenicola Wells 1959 | 1 | 0 | 0 |
| Abarenicola pacifica Healy & Wells 1959 (Pacific Lugworm) | 0 | 0 | 1 |
| Abasia Wilson C. B. 1908 | 1 | 0 | 0 |
| Abasia pusilla Cressey & Cressey 1979 | 0 | 0 | 1 |
| Abasia tripartita (Shiino 1955) | 0 | 0 | 1 |
| Abbottina | 1 | 0 | 0 |
| Abbottina rivularis (Basilewsky 1855) (Amur false gudgeon) | 0 | 0 | 2 |
| Abbottina rivularis (Basilewsky 1855) (Amur false gudgeon) | 0 | 0 | 2 |
| Abelia (abelia) | 3 | 0 | 0 |
