| Probolitrema mexicana Markell, 1956 |
| Probolitrema richiardii (López, 1888) Looss, 1902 |
| Staphylorchis Travassos, 1922 |
| Staphylorchis pacificus (Caballero, 1946) Cutmore, Bennett & Cribb, 2010 |
| Winteria Lamothe-Argumedo, 1969 |
| Winteria pacifica (Caballero, 1946) Lamothe-Argumedo, 1969 |
| Xystretrum Linton, 1910 |
| Xystretrum caballeroi Bravo-Hollis, 1953 |
| Xystretrum solidum Linton, 1910 |