| Latiaxis (Babelomurex) Coen, 1922 |
| Latiaxis (Babelomurex) dalli Emerson & D'Attilio, 1963 |
| Mancinella Link, 1807 |
| Mancinella deltoidea (Lamarck, 1822) |
| Mancinella speciosa (Valenciennes, 1832) |
| Mancinella triangularis (Blainville, 1832) |
| Mexacanthina Marko & Vermeij, 1999 |
| Mexacanthina angelica (Oldroyd, 1918) |
| Mexacanthina lugubris (G. B. Sowerby I, 1822) |
| Mexacanthina lugubris subsp. angelica (Oldroyd, 1918) |
| Mexacanthina lugubris subsp. lugubris (Sowerby, 1821) |
| Morula Schumacher, 1817 |
| Morula (Morula) Schumacher, 1817 |
| Morula (Morula) ferruginosa (Reeve, 1846) |
| Morula (Trachypollia) Woodring, 1928 |
| Morula (Trachypollia) nodulosa (C. B. Adams, 1845) |
| Morula didyma (Schwengel, 1943) |
| Morula nodulosa (C. B. Adams, 1845) |
| Murex Linnaeus, 1758 |
| Murex (Murex) Linnaeus, 1758 |