| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Ampharana Hartman 1967 | 1 | 1 | 0 |
| Ampharana Hartman 1967 | 0 | 1 | 0 |
| Ampharana antarctica Hartman 1967 | 0 | 1 | 0 |
| Ampharete Malmgren 1866 | 1 | 0 | 0 |
| Ampharete kerguelensis McIntosh 1885 | 0 | 1 | 0 |
| Amphilaphis | 0 | 1 | 0 |
| Amphilectus Vosmaer 1880 | 1 | 0 | 0 |
| Amphilectus fucorum (Esper 1794) (carrot-sponge) | 0 | 1 | 0 |
| Amphimeniidae Salvini-Plawen 1972 | 0 | 1 | 0 |
| Amphiophiura Matsumoto 1915 | 1 | 0 | 0 |
| Amphiophiura gibbosa Mortensen 1936 | 0 | 1 | 0 |
| Amphioplus Verrill 1899 | 2 | 0 | 0 |
| Amphioplus acutus Mortensen 1936 | 0 | 1 | 0 |
| Amphioplus dalea | 0 | 1 | 0 |
| Amphiporus | 1 | 0 | 0 |
