| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Aborichthys garoensis Hora 1925 | 0 | 2 | 0 |
| Aboriella | 0 | 1 | 0 |
| Aboriscus | 0 | 2 | 0 |
| Abortiporus | 0 | 0 | 0 |
| Abortiporus biennis (Bull.) Singer 1944 | 0 | 2 | 0 |
| Abra Lamarck 1818 | 0 | 2 | 0 |
| Abra alba (W. Wood 1802) (white abra) | 0 | 2 | 0 |
| Abracadabrella | 0 | 2 | 0 |
| Abracadabrella elegans (L. Koch 1879) | 0 | 2 | 0 |
| Abrachyglossum | 0 | 2 | 0 |
| Abraeinae | 0 | 2 | 0 |
| Abrahamia | 0 | 2 | 0 |
| Abraliopsis Joubin 1896 | 0 | 0 | 0 |
| Abraliopsis (Abraliopsis) morisii (Verany 1839) (Bioluminescent Squid) | 0 | 1 | 0 |
| Abramis | 0 | 2 | 0 |
