| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Janthina courcellei Mabille & Rochebrune, 1889 |
Western Atlantic | 0.2 | |
| Janthina exigua Lamarck, 1816 |
Dwarf janthina | Atlantic, Pacific and the Mediterranean | 1.53 |
| Janthina globosa Swainson, 1822 |
Elongate janthina | Pacific Ocean, Atlantic, and Mediterranean Sea | 2 |
| Janthina janthina (Linnaeus, 1758) |
Janthina | Atlantic, Pacific and the Mediterranean | 3.7 |
| Janthina pallida Thompson, 1840 |
Pale janthina | Western Central Pacific, Atlantic Ocean and the Mediterranean | 2.4 |
| Janthina prolongata Blainville, 1822 |
Globose violet snail | Pacific Ocean | |
| Janthina umbilicata d'Orbigny, 1841 |
Small violet snail | Atlantic Ocean and Indo-Pacific | 0.95 |