| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Acanthopetalum | 1 | 0 | 0 |
| Acanthopetalum rhodopinum Stoev 2008 | 0 | 0 | 1 |
| Acanthothirididae | 1 | 0 | 0 |
| Acanthothiris | 2 | 0 | 0 |
| Acanthothiris elargata Seifert 1963 | 0 | 0 | 1 |
| Acanthothiris spinosa (Linnaeus 1788) | 0 | 0 | 1 |
| Acar Gray 1857 | 1 | 0 | 0 |
| Acar clathrata (Defrance 1816) | 0 | 0 | 1 |
| Acarospora | 3 | 0 | 0 |
| Acarospora cervina (Ach.) A. Massal. | 0 | 0 | 1 |
| Acarospora macrocarpa | 0 | 0 | 1 |
| Acarospora sulphurata | 0 | 0 | 1 |
| Acarosporaceae | 2 | 0 | 0 |
| Accipiter Brisson 1760 | 3 | 0 | 0 |
| Accipiter brevipes (Severtsov 1850) (Epervier à pieds courts) | 0 | 0 | 1 |
