| Lordithon (Lordithon) obliquus (Sharp, 1884) |
| Lordithon (Lordithon) oreophilus Campbell, 1982 |
| Lordithon (Lordithon) smithi (Bernhauer, 1910) |
| Lordithon (Lordithon) thoracicus (Fabricius, 1777) |
| Lordithon (Lordithon) thoracicus subsp. thoracicus (Fabricius, 1777) |
| Lypomedon Blackwelder, 1952 |
| Madagassoconnus Franz, 1986 |
| Madagassoconnus arganoi (Franz, 1977) |
| Mastigitae Fleming, 1821 |
| Medonina Casey, 1905 |
| Megacronus Stephens, 1829 |
| Megacronus mexicanus Sharp, 1887 |
| Megacronus regularis Sharp, 1884 |
| Megalopinus Eichelbaum, 1915 |
| Megalopinus (Gata) Blackwelder, 1943 |
| Megalopinus adjectus (Sharp, 1886) |
| Megalopinus ashei Puthz, 1994 |
| Megalopinus aspericollis Puthz, 1994 |
| Megalopinus baranowskii Puthz, 2012 |
| Megalopinus bisulcatus (Benick, 1917) |