| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Actinodendronidae | 0 | 0 | 12 |
| Actinolaimidae | 0 | 0 | 12 |
| Actinommidae | 0 | 0 | 12 |
| Actinomycetaceae | 0 | 0 | 12 |
| Actinophryidae | 0 | 0 | 2 |
| Actinophyridae | 0 | 0 | 12 |
| Actinopodidae (mouse spiders) | 0 | 0 | 12 |
| Actinopolysporiaceae | 0 | 0 | 12 |
| Actinoporidae Vigneaux 1949 | 0 | 0 | 12 |
| Actinoposthiidae | 0 | 0 | 12 |
| Actinoscyphiidae Stephenson 1920 | 0 | 0 | 12 |
| Actinospicaceae | 0 | 0 | 12 |
| Actinostolidae Carlgren 1932 | 0 | 0 | 12 |
| Actisecidae Harmer 1957 | 0 | 0 | 12 |
| Acuariidae Railliet, Henry & Sisoff 1912 | 0 | 0 | 12 |
