| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Aglantha digitale (O. F. Müller 1776) (pink helmet) | 0 | 0 | 2 |
| Aglantha digitale (O. F. Müller 1776) (pink helmet) | 0 | 0 | 2 |
| Aglaophamus Kinberg 1866 | 1 | 0 | 0 |
| Aglaophamus malmgreni (Théel 1879) | 0 | 0 | 1 |
| Agonidae (poachers) | 6 | 0 | 0 |
| Ahnfeltia Fries 1836 | 1 | 0 | 0 |
| Ahnfeltia plicata | 0 | 0 | 1 |
| Ahnfeltiaceae | 1 | 0 | 0 |
| Ahnfeltiales | 1 | 0 | 0 |
| Akanthophoreidae Sieg 1986 | 1 | 0 | 0 |
| Akanthophoreus Sieg 1986 | 1 | 0 | 0 |
| Akanthophoreus gracilis (Krøyer 1842) | 0 | 0 | 1 |
| Akentrogonida | 1 | 0 | 0 |
| Alaria Greville 1830 | 1 | 0 | 0 |
| Alaria esculenta (dabberlocks) | 0 | 0 | 1 |
