| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Abyssocottus | 1 | 0 | 0 |
| Abyssocottus gibbosus Berg 1906 | 0 | 0 | 1 |
| Abyssocottus korotneffi Berg 1906 | 0 | 0 | 1 |
| Abyssogammarus Sowinsky 1915 | 1 | 0 | 0 |
| Abyssogammarus sarmatus (Dybowsky 1874) | 0 | 0 | 1 |
| Acaeniotylopsis | 1 | 0 | 0 |
| Acaeniotylopsis variatus Kito & De Wever 1994 | 0 | 0 | 1 |
| Acalles | 1 | 0 | 0 |
| Acalles echinatus Schoenherr 1844 | 0 | 0 | 1 |
| Acalypha (copperleaf) | 1 | 0 | 0 |
| Acalypha australis L. (Asian copperleaf) | 0 | 0 | 1 |
| Acalypta | 1 | 0 | 0 |
| Acalypta carinata (Panzer 1806) | 0 | 0 | 1 |
| Acalypta marginata (Wolff 1804) | 0 | 0 | 1 |
| Acantharia | 1 | 0 | 0 |
