| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| ? bacterium | 0 | 0 | 1 |
| Aaroniella | 0 | 0 | 2 |
| Aaroniella badonneli (Danks & L. 1950) | 0 | 0 | 2 |
| Abablemma Nye 1975 | 0 | 0 | 2 |
| Abablemma brimleyana | 0 | 0 | 2 |
| Abablemma duomaculata | 0 | 0 | 2 |
| Abacetus | 0 | 0 | 2 |
| Abacetus (Distrigodes) bipunctatus (Motschulsky 1865) | 0 | 0 | 2 |
| Abacetus (Caricus) chalceus Chaudoir 1869 | 0 | 0 | 2 |
| Abachrysa | 0 | 0 | 2 |
| Abachrysa eureka (Banks 1931) | 0 | 0 | 2 |
| Abacidus | 0 | 0 | 2 |
| Abacidus permundus (Say 1830) | 0 | 0 | 2 |
| Abacopteris | 0 | 0 | 1 |
| Abacopteris afra | 0 | 0 | 1 |
