| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Acalypheae | 1 | 0 | 0 |
| Acalyphoideae | 1 | 0 | 0 |
| Acanthaceae (acanthus family) | 2 | 2 | 0 |
| Acanthis Borkhausen 1797 | 0 | 2 | 0 |
| Acanthis Borkhausen 1797 | 2 | 2 | 0 |
| Acanthis cabaret (Müller & Pls 1776) (Lesser Redpoll) | 0 | 2 | 0 |
| Acanthis flammea (Linnaeus 1758) (Common Redpoll) | 0 | 2 | 0 |
| Acanthisitta Lafresnaye 1842 (Rifleman) | 1 | 0 | 0 |
| Acanthisitta chloris (Sparrman 1787) (Rifleman) | 0 | 1 | 0 |
| Acanthisittidae (New Zealand wrens) | 1 | 1 | 0 |
| Acanthocephala | 0 | 2 | 0 |
| Acanthoideae | 0 | 0 | 0 |
| Acanthomorpha | 1 | 0 | 0 |
| Acanthopterygii | 3 | 2 | 0 |
| Acanthosicyos | 1 | 0 | 0 |
