| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Abyssocucumis Heding 1942 | 1 | 0 | 0 |
| Abyssocucumis abyssorum (Théel 1886) | 0 | 0 | 2 |
| Acanella Gray 1870 | 1 | 0 | 0 |
| Acanella arbuscula (Johnson 1862) | 0 | 0 | 1 |
| Acanthephyra | 1 | 0 | 0 |
| Acanthephyra pelagica | 0 | 0 | 1 |
| Acanthocope Beddard 1885 | 1 | 0 | 0 |
| Acanthocope carinata Chardy 1972 | 0 | 0 | 1 |
| Acanthonotozoma Boeck 1876 | 2 | 0 | 0 |
| Acanthonotozoma cristatum (Ross 1835) | 0 | 0 | 1 |
| Acanthonotozoma serratum (O. Fabricius 1780) | 0 | 0 | 1 |
| Acanthostepheia Boeck 1871 | 1 | 0 | 0 |
| Acanthostepheia malmgreni (Goës 1866) | 0 | 0 | 1 |
| Acartia Dana 1846 | 2 | 0 | 0 |
| Acartia (Acartiura) hudsonica Pinhey 1926 | 0 | 0 | 1 |
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