| Family | Common Name | Selected Genus and Species | Image |
|---|---|---|---|
| Atollidae | Atolla Jellyfish | Atolla wyvillei | |
| Atorellidae | Deepwater Jellyfish | Atorella octogonos | |
| Linuchidae | Thimble Jellyfish | Linuche unguiculata | |
| Nausithoidae | Crown Jellyfish | Nausithoe aurea | |
| Paraphyllinidae | Crown Jellyfish | Paraphyllina intermedia | |
| Periphyllidae | Helmet Jellyfish | Periphylla periphylla | |
| Family | Common Name | Selected Genus and Species | Image |
|---|---|---|---|
| Archirhizidae | Jellyfish | Archirhiza aurosa |  |
| Cassiopeidae | Upside-down Jellyfish | Cassiopea andromeda |  |
| Catostylidae | Jelly Blubber | Catostylus mosaicus |  |
| Cepheidae | Cauliflower Jellyfish | Cephea cephea |  |
| Lobonematidae | White Jellyfish | Lobonema smithii |  |
| Lychnorhizidae | Marbled Jellyfish | Lychnorhiza lucerna |  |
| Mastigiidae | Floating Bell Jellyfish | Phyllorhiza punctata |  |
| Rhizostomatidae | Barrel Jellyfish | Rhizostoma pulmo |  |
| Stomolophidae | Cannonball Jellyfish | Stomolophus meleagris |  |
| Thysanostomatidae | Jellyfish | Thysanostoma loriferum |  |
| Family | Common Name | Selected Genus and Species | Image |
|---|---|---|---|
| Cyaneidae | Lion's Mane Jellyfish | Cyanea capillata |  |
| Drymonematidae | Pink Meanie | Drymonema dalmatinum |  |
| Pelagiidae | Brown Jellyfish | Chrysaora melanaster |  |
| Phacellophoridae | Egg-yolk Jellyfish | Phacellophora camtschatica |  |
| Ulmaridae | Antarctic Jellyfish | Diplulmaris antarctica |  |