| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Bulbus benthicolus Dell, 1990 |
Western Atlantic and Western Pacific | 2.3 | |
| Bulbus carcellesi Dell, 1990 |
Southeast Pacific and Southwest Atlantic | 3.13 | |
| Bulbus fragilis (Leach, 1819) |
Fragile moonsnail | Arctic, Northeast Pacific and Western Atlantic | |
| Bulbus scotianus Dell, 1990 |
Western Atlantic | 2.76 | |
| Bulbus smithii (Brown, 1839) |
Arctic, Northern Pacific and Northern Atlantic | 2.5 | |
| Bulbus striatus Golikov & Sirenko, 1983 |
Arctic |