| Inodrillia dalli (Verrill & Smith, 1882) |
| Inodrillia nucleata (Dall, 1881) |
| Inodrillia pharcida (Dall, 1889) |
| Ithycythara Woodring, 1928 |
| Ithycythara auberiana (d'Orbigny, 1847) |
| Ithycythara chechoi Espinosa & Ortea, 2004 |
| Ithycythara cymella (Dall, 1889) |
| Ithycythara lanceolata (C. B. Adams, 1850) |
| Ithycythara parkeri Abbott, 1958 |
| Ithycythara psila (Bush, 1885) |
| Knefastia Dall, 1919 |
| Knefastia dalli Bartsch, 1944 |
| Knefastia horrenda (Watson, 1886) |
| Knefastia tuberculifera (Broderip & G. B. Sowerby I, 1829) |
| Knefastia walkeri Berry, 1958 |
| Kurtziella Dall, 1918 |
| Kurtziella (Kurtziella) Dall, 1918 |
| Kurtziella (Kurtziella) plumbea (Hinds, 1843) |
| Kurtziella (Kurtzina) Bartsch, 1944 |
| Kurtziella (Kurtzina) cyrene (Dall, 1919) |