| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Cosmotriphora arnoldoi Faber & Moolenbeek, 1991 |
Western Central Atlantic | 0.6 | |
| Cosmotriphora decorata (Adams, 1850) |
Mottled triphora | Western Central Atlantic | |
| Cosmotriphora dupliniana (Olsson, 1916) |
Western Central Atlantic | 0.57 | |
| Cosmotriphora melanura (Adams, 1850) |
White Atlantic triphora | Atlantic Ocean and the Mediterranean Sea | 0.85 |
| Cosmotriphora oreodoxa (Olsson & Harbison, 1953) |
Western Central Atlantic | 0.82 |