| Candida tenuis Diddens & Lodder, 1942 |
| Candida tropicalis (Castell.) Berkhout, 1923 |
| Candida utilis (Henneberg) Lodder & Kreger-van Rij, 1952 |
| Candida valida (Leberle) Uden & H.R. Buckley ex S.A. Mey. & Ahearn, 1983 |
| Candida zeylanoides (Castell.) Langeron & Guerra, 1938 |
| Carrismyces R. F. Castañeda & Heredia, 2000 |
| Carrismyces proliferatus R. F. Castañeda & Heredia, 2000 |
| Caulobothrium Baer, 1948 |
| Caulobothrium opisthorchis Riser, 1955 |
| Ceracea Cragin, 1885 |
| Ceracea lagerheimii Pat., 1893 |
| Ceratosporella Höhn., 1923 |
| Ceratosporella deviata Subram., 1957 |
| Cercaria Müller, 1773 |
| Cercaria burti Miller, 1923 |
| Cercaria ephemera Nitzsch, 1817 |
| Cercaria floridensis McCoy, 1928 |
| Cercaria physellae Talbot, 1936 |
| Chaetoseptoria Tehon, 1937 |
| Chaetoseptoria wellmanii J. A. Stev., 1946 |