| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Smithsonidrilus appositus Erséus, 1990 |
Western Central Atlantic | ||
| Smithsonidrilus hummelincki (Righi & Kanner, 1979) |
Western Central Atlantic | ||
| Smithsonidrilus involutus Erséus, 1990 |
Western Central Atlantic | ||
| Smithsonidrilus irregularis (Erséus, 1983) |
Western Pacific | ||
| Smithsonidrilus luteolus (Erséus, 1983) |
Western Central Atlantic | ||
| Smithsonidrilus minusculus (Erséus, 1983) |
Northwest Pacific | ||
| Smithsonidrilus tenuiculus (Erséus, 1984) |
Northwest Pacific | ||
| Smithsonidrilus tuber (Erséus, 1983) |
Western Pacific | ||
| Smithsonidrilus vesiculatus (Erséus, 1984) |
Northwest Pacific | 0.7 |