| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Trichotropis bicarinata (Sowerby I, 1825) |
Two-keel hairysnail | Arctic, Northern Pacific and Northern Atlantic | 3.7 |
| Trichotropis cancellata Hinds, 1843 |
Cancellate hairysnail | Northeast Pacific and the Arctic | 3 |
| Trichotropis conica Moller, 1842 |
Arctic and Northern Atlantic | 1.76 | |
| Trichotropis flavida Hinds, 1843 |
Western Central Pacific | ||
| Trichotropis inflata Friele, 1879 |
Atlantic Ocean | 0.6 | |
| Trichotropis insignis Middendorff, 1849 |
Gray hairysnail | Arctic, Northern Pacific and Antarctic | 2.5 |
| Trichotropis townsendi Melvill & Standen, 1901 |
Western Central Pacific | ||
| Trichotropis turrita Dall, 1927 |
Western Central Pacific and Western Atlantic | 0.3 |