| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Abacoproeces | 1 | 0 | 0 |
| Abacoproeces saltuum (L. Koch 1872) | 0 | 0 | 1 |
| Abdera | 3 | 0 | 0 |
| Abdera affinis | 0 | 0 | 1 |
| Abdera flexuosa | 0 | 0 | 1 |
| Abdera triguttata | 0 | 0 | 1 |
| Abia | 2 | 0 | 0 |
| Abia fasciata | 0 | 0 | 1 |
| Abia mutica | 0 | 0 | 1 |
| Abietinella (abietenella moss) | 1 | 0 | 0 |
| Abietinella abietina Fleischer 1923 (Wiry Fern Moss) | 0 | 0 | 1 |
| Abortiporus | 1 | 0 | 0 |
| Abortiporus biennis (Bull.) Singer 1944 | 0 | 0 | 1 |
| Abramis | 1 | 0 | 0 |
| Abramis brama (Linnaeus 1758) (Bream) | 0 | 0 | 1 |
