| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Littoridinops monroensis (Frauenfeld, 1863) |
Cockscomb hydrobe | Western Atlantic | 0.45 |
| Littoridinops palustris Thompson, 1968 |
Bantam hydrobe | Western Central Atlantic | 0.45 |
| Littoridinops tenuipes (Couper, 1844) |
Henscomb hydrobe | North America | 0.539 |