| Family | Common Name | Selected Genus and Species | Image |
|---|---|---|---|
| Batillipedidae | Water Bear | Batillipes spinicauda | |
| Coronarctidae | Water Bear | Coronarctus sonne | |
| Halechiniscidae | Water Bear | Paradoxipus orzeliscoides | |
| Neoarctidae | Water Bear | Neoarctus primigenius | |
| Neostygarctidae | Water Bear | Neostygarctus lovedeluxe | |
| Renaudarctidae | Water Bear | Renaudarctus psammocryptus | |
| Stygarctidae | Water Bear | Stygarctus keralensis | |
| Family | Common Name | Selected Genus and Species | Image |
|---|---|---|---|
| Carphaniidae | Water Bear | Carphania fluviatilis |  |
| Echiniscidae | Water Bear | Echiniscus spinulosis |  |
| Echiniscoididae | Water Bear | Echiniscoides sigismundi |  |
| Oreellidae | Water Bear | Oreella chugachii |  |