| Columbella sonsonatensis (Mörch, 1860) |
| Columbella sparsa Reeve, 1859 |
| Columbella stearnsii (Tryon, 1883) |
| Columbella strombiformis Lamarck, 1822 |
| Columbella translirata Ravenel, 1861 |
| Columbellidae Swainson, 1840 |
| Columbellinae Swainson, 1840 |
| Columbellopsis Bucquoy, Dautzenberg & Dollfus, 1882 |
| Columbellopsis nycteis (Duclos, 1846) |
| Conella Swainson, 1840 |
| Conella ovulata (Lamarck, 1822) |
| Conella ovuloides (C. B. Adams, 1850) |
| Cosmioconcha Dall, 1913 |
| Cosmioconcha geigeri García, 2006 |
| Cosmioconcha nitens (C. B. Adams, 1850) |
| Cosmioconcha palmeri (Dall, 1913) |
| Cosmioconcha pergracilis (Dall, 1913) |
| Costoanachis Sacco, 1890 |
| Costoanachis adelinae (Tryon, 1883) |
| Costoanachis avara (Say, 1822) |