| Cryptocerus volxemi Emery, 1878 |
| Cryptocerus wheeleri Forel, 1901 |
| Cryptopone Emery, 1893 |
| Cryptopone gilva (Roger, 1863) |
| Cryptopone gilva subsp. harnedi (Smith, 1929) |
| Cryptopone gilvatumida Branstetter & Longino, 2022 |
| Cryptopone guatemalensis (Forel, 1899) |
| Cryptopone guianensis (Weber, 1939) |
| Cryptopone haskinsi (Weber, 1939) |
| Cryptopone obsoleta (Menozzi, 1931) |
| Ctenopyga Ashmead, 1906 |
| Ctenopyga townsendi Ashmead, 1906 |
| Cylindromyrmex Mayr, 1870 |
| Cylindromyrmex brevitarsus Santschi, 1925 |
| Cylindromyrmex meinerti Forel, 1905 |
| Cylindromyrmex parallelus Santschi, 1932 |
| Cyphomyrmex Mayr, 1862 |
| Cyphomyrmex cochunae Kusnezov, 1949 |
| Cyphomyrmex colombianus Weber, 1940 |
| Cyphomyrmex cornutus Kempf, 1968 |