| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Tetrastemma aberrans Coe, 1901 |
Northeast Pacific | ||
| Tetrastemma bicolor Coe, 1901 |
Arctic Sea and the Pacific | 6 | |
| Tetrastemma caecum Coe, 1901 |
Northeast Pacific | 1 | |
| Tetrastemma candidum Müller, 1774 |
Arctic, Atlantic Ocean, Pacific Ocean and the Mediterranean | ||
| Tetrastemma coronatum (Quatrefages, 1846) |
Northwest Pacific and the Mediterranean | ||
| Tetrastemma fozensis Gibson & Junoy, 1991 |
Northeast Atlantic | ||
| Tetrastemma helvolum Bürger, 1895 |
Northeast Atlantic | ||
| Tetrastemma herthae (Correa, 1963) |
Western Atlantic | 2 | |
| Tetrastemma longistriatum Wheeler, 1934 |
Antarctic Atlantic | ||
| Tetrastemma melanocephalum (Johnston, 1837) |
Northeast Atlantic and Mediterranean | ||
| Tetrastemma nigrifrons Coe, 1904 |
White-lined ribbon worm | Northern Pacific and Northeast Atlantic | |
| Tetrastemma olgarum Chernyshev, 1998 |
Northwest Pacific | 7 | |
| Tetrastemma phaeobasisae Kulikova, 1987 |
Northwest Pacific | ||
| Tetrastemma pimaculatum Chernyshev, 1998 |
Northwest Pacific | ||
| Tetrastemma pinnatum Iwata, 1954 |
Northwest Pacific | ||
| Tetrastemma pseudocoronatum Chernyshev, 1998 |
Northwest Pacific | ||
| Tetrastemma robertianae Mcintosh, 1873 |
Northeast Atlantic | ||
| Tetrastemma stigmatum (Stimpson, 1857) |
Northwest Pacific | ||
| Tetrastemma stimpsoni Chernyshev, 1992 |
Northwest Pacific | ||
| Tetrastemma unilineatum Joubin, 1910 |
Antarctic Indian Ocean | ||
| Tetrastemma verinigrum Iwata, 1954 |
Northwest Pacific | 1 | |
| Tetrastemma vermiculus De Quatrefages, 1846 |
Northeast Atlantic | ||
| Tetrastemma worki Correa, 1961 |
Western Central Atlantic | ||
| Tetrastemma yamaokai Iwata, 1954 |
Northwest Pacific |