| Adanaclava Bartsch, 1850 |
| Adanaclava adana Bartsch, 1950 |
| Aforia Dall, 1889 |
| Aforia (Steiraxis) Dall, 1896 |
| Aforia (Steiraxis) aulaca (Dall, 1896) |
| Agathotoma Cossmann, 1899 |
| Agathotoma (Agathotoma) Cossmann, 1899 |
| Agathotoma (Agathotoma) neglecta (C. B. Adams, 1852) |
| Agathotoma (Vitricythara) Fargo, 1953 |
| Agathotoma (Vitricythara) klasmidia Shasky, 1971 |
| Agathotoma (Vitricythara) secalis Shasky, 1971 |
| Agathotoma candidissima (C. B. Adams, 1845) |
| Agathotoma ecthymata (García, 2008) |
| Agladrillia Woodring, 1928 |
| Agladrillia flucticulus McLean & Poorman, 1971 |
| Agladrillia plicatella (Dall, 1908) |
| Agladrillia pudica (Hinds, 1843) |
| Anticlinura Thiele, 1934 |
| Anticlinura movilla (Dall, 1908) |
| Bactrocythara Woodring, 1928 |