| Caimanicola Teixeira de Freitas & Lent, 1938 |
| Caimanicola caballeroi (Peláez & Cruz-Lozano, 1953) Brooks, 1980 |
| Campechetrema Lamothe-Argumedo, Salgado-Maldonado & Pineda-López, 1997 |
| Campechetrema herrerai Lamothe-Argumedo, Salgado-Maldonado & Pineda-López, 1997 |
| Cicesetrema Pérez-Ponce de León, Castillo-Sánchez & Rosales-Casián, 1999 |
| Cicesetrema unami Pérez-Ponce de León, Castillo-Sánchez & Rosales-Casián, 1999 |
| Cryptogonimidae Ward, 1917 |
| Cryptogonimus Osborn, 1903 |
| Cryptogonimus cirrhiti Bravo-Hollis, 1953 |
| Gonacanthella Sogandares-Bernal, 1959 |
| Gonacanthella lutjani Sogandares-Bernal, 1959 |
| Lopastoma Yamaguti, 1971 |
| Lopastoma lopastoma (Winter, 1957) Yamaguti, 1971 |
| Metadena Linton, 1910 |
| Metadena adglobosa Manter, 1947 |
| Metadena crassulata Linton, 1910 |
| Metadena globosa (Linton, 1910) Manter, 1947 |
| Metadena lopastoma Winter, 1957 |
| Metadena magdalenae Arai, 1962 |
| Neochasmus Van Cleave & Mueller, 1932 |