| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Melicertum georgicum Agassiz, 1862 |
Eastern Pacific (Pacific coast of North America) | 2 | |
| Melicertum octocostatum (Sars, 1835) |
Eight-strand jelly | Arctic, Northern Atlantic and Pacific Ocean | 1.4 |
| Melicertum panocto (Haeckel, 1879) |
Eastern Central Pacific | 0.8 |