| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Haplocochlias cubensis Espinosa, Ortea & Fernández-Garcés, 2007 |
Western Atlantic | 0.3 | |
| Haplocochlias moolenbeeki Jong & Coomans, 1988 |
Western Atlantic | 0.47 | |
| Haplocochlias nunezi Espinosa, Ortea & Fernández-Garcés, 2005 |
Western Atlantic | 0.52 | |
| Haplocochlias onaneyi Espinosa, Ortea & Fernández-Garcés, 2005 |
Western Central Atlantic | ||
| Haplocochlias ortizi Espinosa, Ortea & Fernández-Garcés, 2005 |
Western Atlantic | 0.3 | |
| Haplocochlias risoneideneryae Barros, Santos, Santos, Cabral & Acioli, 2002 |
Western Atlantic | ||
| Haplocochlias swifti Vanatta, 1913 |
Western Atlantic | 0.39 | |
| Haplocochlias williami Barros, Santos, Santos, Cabral & Acioli, 2002 |
Western Atlantic |