| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Triconia borealis (Sars, 1918) |
Arctic and Northeast Atlantic | ||
| Triconia conifera (Giesbrecht, 1891) |
Arctic, Indo-West Pacific, Western Central Atlantic and Antarctic Atlantic | ||
| Triconia quadrata (Heron & Bradford-Grieve, 1995) |
Southwest Pacific |