| Mitostylus tenuis Horn, 1876 |
| Mnemynurus Heller, 1895 |
| Mnemynurus ignifer Champion, 1906 |
| Molytinae Schönherr, 1823 |
| Monarthrum Kirsch, 1866 |
| Monarthrum bicavum Wood, 1967 |
| Monarthrum bidentatum Wood, 1974 |
| Monarthrum conversum Wood, 1974 |
| Monarthrum cordicticum Wood, 1974 |
| Monarthrum dentatum (Eggers, 1931) |
| Monarthrum dentigerum (LeConte, 1868) |
| Monarthrum desum (Wood, 1967) |
| Monarthrum dimidiatum (Ferrari, 1867) |
| Monarthrum egenum (Blandford, 1904) |
| Monarthrum exornatum (Schedl, 1939) |
| Monarthrum ferrarii (Blandford, 1905) |
| Monarthrum fimbriaticorne (Blandford, 1905) |
| Monarthrum flohri (Schedl, 1950) |
| Monarthrum gemellus Blandford, 1904 |
| Monarthrum gnarum (Schedl, 1950) |