| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Accipitriformes | 3 | 0 | 0 |
| Acentronura | 1 | 0 | 0 |
| Acentronura tentaculata Günther 1870 (Pseudo-hippocampe pygmée du Mozambique) | 0 | 0 | 1 |
| Achatina Lamarck 1799 | 1 | 0 | 0 |
| Achatina achatina (Linnaeus 1758) | 0 | 0 | 1 |
| Achatinidae | 1 | 0 | 0 |
| Achelous De Haan 1833 | 2 | 0 | 0 |
| Achelous ordwayi Stimpson 1860 | 0 | 0 | 1 |
| Achelous spinicarpus Stimpson 1871 | 0 | 0 | 1 |
| Achimenes | 2 | 0 | 0 |
| Achimenes erecta (Lam.) H. P. Fuchs | 0 | 0 | 2 |
| Achimenes erecta (Lam.) H. P. Fuchs | 0 | 0 | 2 |
| Achiridae | 2 | 0 | 0 |
| Achirus | 2 | 0 | 0 |
| Achirus declivis Chabanaud 1940 | 0 | 0 | 1 |
