| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Cryptonatica affinis (Gmelin, 1791) |
Arctic moonsnail | Eastern Pacific, Northern Atlantic and the Arctic | 3 |
| Cryptonatica aleutica (Dall, 1919) |
Aleutian moonsnail | Arctic and Pacific Ocean | |
| Cryptonatica bathybii (Friele, 1879) |
Atlantic Ocean and the Arctic | 1.2 | |
| Cryptonatica janthostoma (Deshayes, 1839) |
Purplemouth moonsnail | East Pacific | |
| Cryptonatica operculata (Jeffreys, 1885) |
Mediterranean Sea | ||
| Cryptonatica russa (Gould, 1859) |
Arctic and Northeast Pacific |