| Pseudocleptodiscus bravoae Caballero-Rodríguez, 1960 |
| Pseudocleptodiscus margaritae Caballero, 1961 |
| Pseudocleptodiscus sphaerorchidum (Thatcher, 1963) Yamaguti, 1971 |
| Schizamphistominae Looss, 1912 |
| Schizamphistomoides Stunkard, 1925 |
| Schizamphistomoides resupinatus Caballero, 1940 |
| Schizamphistomoides tabascensis Caballero & Sokoloff, 1934 |
| Schizamphistomum Looss, 1912 |
| Schizamphistomum manati Sokoloff & Caballero, 1932 |
| Stichorchis Fischoeder, 1901 |
| Stichorchis subtriquetrus (Rudolphi, 1812) Fischoeder, 1901 |