| Macrochoriolaus Linsley, 1970 |
| Macrochoriolaus elegans Linsley, 1970 |
| Macronemus Dejean, 1835 |
| Macronemus asperulus White, 1855 |
| Macrotomini Thomson, 1861 |
| Makromastax Santos-Silva, Botero & Le Tirant, 2018 |
| Makromastax mandibularis (Chemsak & Linsley, 1963) |
| Malacopterus Audinet-Serville, 1833 |
| Malacopterus tenellus (Fabricius, 1801) |
| Mallaspini Thomson, 1861 |
| Mallocera Audinet-Serville, 1833 |
| Mallocera spinicollis Bates, 1872 |
| Mallodon Lepeletier & Audinet-Serville, 1830 |
| Mallodon chevrolatii Thomson, 1867 |
| Mallodon chevrolatii subsp. chevrolatii Thomson, 1867 |
| Mallodon dasystomus (Say, 1824) |
| Mallodon dasystomus subsp. dasystomus (Say, 1824) |
| Mallodon molarius Bates, 1879 |
| Mallodon molarius subsp. molarius Bates, 1879 |
| Mallodon spinibarbis (Linnaeus, 1758) |