| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Acdestinae | 0 | 2 | 0 |
| Acentrogobius | 1 | 0 | 0 |
| Acentrogobius | 1 | 0 | 0 |
| Acentrogobius therezieni Kiener 1963 | 0 | 2 | 0 |
| Acentrogobius therezieni Kiener 1963 | 0 | 2 | 0 |
| Acer (maple) | 0 | 2 | 0 |
| Acer (maple) | 0 | 2 | 0 |
| Aceraceae | 0 | 2 | 0 |
| Acerra | 0 | 2 | 0 |
| Acerra | 0 | 2 | 0 |
| Lissamphibia (amphibians) | 2 | 4 | 0 |
| Acherdoa | 0 | 2 | 0 |
| Acherdoa | 0 | 2 | 0 |
| Acheronaster H. E. S. Clark 1982 | 1 | 0 | 0 |
| Acheronaster tumidus H. E. S. Clark 1982 | 0 | 2 | 0 |
