| Coprinus truncorum (Scop.) Fr., 1838 |
| Coprinus xanthothrix Romagn., 1941 |
| Coprinus xerophilus Bogart, 1976 |
| Crucibulum Tul. & C. Tul., 1844 |
| Crucibulum laeve (Huds.) Kambly, 1936 |
| Cyathus Haller, 1768 |
| Cyathus berkeleyanus (Tul. & C. Tul.) Lloyd, 1906 |
| Cyathus bulleri H.J. Brodie, 1967 |
| Cyathus canna Lloyd, 1906 |
| Cyathus colensoi Berk., 1855 |
| Cyathus earlei Lloyd, 1906 |
| Cyathus fimicola Berk., 1881 |
| Cyathus helenae H. J. Brodie, 1966 |
| Cyathus intermedius (Mont.) Tul. & C. Tul., 1844 |
| Cyathus julietae H.J. Brodie, 1967 |
| Cyathus limbatus Tul. & C. Tul., 1844 |
| Cyathus morelensis C. L. Gómez & Pérez-Silva, 1988 |
| Cyathus olla (Batsch) Pers., 1801 |
| Cyathus pallidus (Berk.) M. A. Curtis, 1868 |
| Cyathus setosus H. J. Brodie, 1967 |