| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Galathealinum arcticum Southward, 1962 |
Arctic and Northwest Atlantic | ||
| Galathealinum bruuni Kirkegaard, 1956 |
Western Pacific | ||
| Galathealinum karaense Smirnov, Zaitseva & Vedenin, 2020 |
Arctic |