| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Acrocirridae | 0 | 0 | 2 |
| Amphinomida | 0 | 0 | 2 |
| Annelida (segmented worms) | 0 | 0 | 1 |
| Apistobranchidae | 0 | 0 | 2 |
| Arenicolidae (lugworms) | 0 | 0 | 2 |
| Capitellidae | 0 | 0 | 2 |
| Chaetopteridae | 0 | 0 | 3 |
| Cirratulidae (red threads worms) | 0 | 0 | 2 |
| Cossuridae | 0 | 0 | 2 |
| Eunicida | 0 | 0 | 2 |
| Fauveliopsidae | 0 | 0 | 2 |
| Flabelligeridae | 0 | 0 | 2 |
| Magelonidae | 0 | 0 | 2 |
| Maldanidae (bamboo worms) | 0 | 0 | 2 |
| Myzostomida | 0 | 0 | 4 |
