| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Ammotheidae | 2 | 0 | 0 |
| Ammothella | 2 | 0 | 0 |
| Bicosoecophyceae | 0 | 0 | 1 |
| Ammothella longipes (Hodge 1864) | 0 | 0 | 1 |
| Ampelisca Krøyer 1842 | 4 | 0 | 0 |
| Ampelisca brevicornis (Costa 1853) | 0 | 0 | 1 |
| Ampelisca diadema (Costa 1853) | 0 | 0 | 1 |
| Ampelisca spinipes Boeck 1861 | 0 | 0 | 1 |
| Ampelisca tenuicornis Liljeborg 1856 | 0 | 0 | 1 |
| Ampeliscidae Krøyer 1842 | 1 | 0 | 0 |
| Ampharete Malmgren 1866 | 3 | 0 | 0 |
| Ampharete falcata Eliason 1955 (bristleworm) | 0 | 0 | 1 |
| Ampharete grubei | 0 | 0 | 1 |
| Ampharete lindstroemi Malmgren 1867 | 0 | 0 | 1 |
| Ampharetidae | 2 | 0 | 0 |
