| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Abramis | 1 | 0 | 0 |
| Abramis brama (Linnaeus 1758) | 0 | 1 | 0 |
| Abrocomidae | 1 | 2 | 0 |
| Abroscopus Baker & Ecs 1930 | 0 | 2 | 0 |
| Acacia | 1 | 0 | 0 |
| Acacieae | 2 | 0 | 0 |
| Acanthaceae | 1 | 0 | 0 |
| Acanthidops Ridgway 1882 | 1 | 0 | 0 |
| Acanthidops bairdi Ridgway 1882 | 0 | 2 | 0 |
| Hystrix subgen. Acanthion F. Cuvier 1823 | 2 | 0 | 0 |
| Acanthis Borkhausen 1797 | 2 | 2 | 0 |
| Acanthis flammea (Linnaeus 1758) | 0 | 2 | 0 |
| Acanthis hornemanni (Holböll 1843) | 0 | 2 | 0 |
| Acanthisitta Lafresnaye 1842 | 1 | 0 | 0 |
| Acanthisitta chloris (Sparrman 1787) | 0 | 2 | 0 |
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