| Marasmius trinitatis Dennis, 1951 |
| Marasmius wilsonii Murrill, 1915 |
| Marasmius xerampelianus Singer, 1976 |
| Megacollybia Kotl. & Pouzar, 1972 |
| Megacollybia platyphylla (Pers.) Kotl. & Pouzar, 1972 |
| Micromphale Gray, 1821 |
| Micromphale griseum Singer, 1973 |
| Micromphale inodorum (Pat. Dennis), 1961 |
| Micromphale separatum Singer, 1973 |
| Moniliophthora H.C. Evans, Stalpers, Samson & Benny, 1978 |
| Moniliophthora perniciosa (Stahel) Aime & Phillips-Mora, 2006 |
| Moniliophthora roreri Cif., 1978 |
| Nothopanus Singer, 1944 |
| Nothopanus eugrammus (Mont.) Singer, 1944 |
| Nothopanus hygrophanus (Mont.) Singer, 1969 |
| Nothopanus lignatilis (Pers.) Bon, 1986 |
| Omphalotus Fayod, 1889 |
| Omphalotus illudens (Schwein.) Bresinsky & Besl, 1979 |
| Omphalotus mexicanus Guzmán & V. Mora, 1984 |
| Omphalotus olearius (DC.) Singer, 1948 |