| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Haploops laevis Hoek, 1882 |
Arctic and Northwest Atlantic | ||
| Haploops setosa Boeck, 1871 |
Arctic and Northwest Atlantic | ||
| Haploops sibirica Gurjanova, 1929 |
Arctic | ||
| Haploops tenuis Kanneworff, 1966 |
Northeast Atlantic | ||
| Haploops tubicola Lilljeborg, 1855 |
Northern Atlantic and the Arctic |