| Leptadrillia lizae Fallon, 2016 |
| Leptadrillia profunda Fallon, 2016 |
| Leptadrillia splendida Bartsch, 1934 |
| Leucosyrinx Dall, 1889 |
| Leucosyrinx subgrundifera (Dall, 1888) |
| Leucosyrinx tenoceras (Dall, 1889) |
| Leucosyrinx verrillii (Dall, 1881) |
| Lioglyphostoma Woodring, 1928 |
| Lioglyphostoma aguadillanum (Dall & Simpson, 1901) |
| Lioglyphostoma antillarum (d'Orbigny, 1847) |
| Lioglyphostoma hendersoni (Bartsch, 1934) |
| Lioglyphostoma oenoa (Bartsch, 1934) |
| Lioglyphostoma rectilabrum McLean & Poorman, 1971 |
| Maesiella McLean, 1971 |
| Maesiella maesae McLean & Poorman, 1971 |
| Maesiella punctatostriata (P. P. Carpenter, 1856) |
| Mangelia Risso, 1826 |
| Mangelia bandella (Dall, 1881) |
| Mangelia bartletti (Dall, 1889) |
| Mangelia biconica C. B. Adams, 1850 |