| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Cosmioconcha calliglypta (Dall & Simpson, 1901) |
Flame dovesnail | Western Atlantic Ocean | 0.73 |
| Cosmioconcha dedonderi Monsecour & Monsecour, 2006 |
Western Atlantic | 1.12 | |
| Cosmioconcha geigeri García, 2006 |
Western Atlantic | 0.58 | |
| Cosmioconcha helenae (Costa, 1983) |
Western Atlantic | 1.23 | |
| Cosmioconcha humfreyi Jong & Coomans, 1988 |
Western Atlantic | 1.17 | |
| Cosmioconcha nana García, 2007 |
Western Atlantic | 0.5 | |
| Cosmioconcha nitens (Adams, 1850) |
Western Atlantic | 1.45 | |
| Cosmioconcha rikae Monsecour & Monsecour, 2006 |
Western Atlantic | 0.82 |