| Amidostomatidae Travassos, 1919 |
| Amidostomatinae Travassos, 1919 |
| Amidostomum Railliet & Henry, 1909 |
| Amidostomum acutum (Lundahl, 1848) Seurat, 1918 |
| Amidostomum anseris (Zeder, 1800) Railliet & Henry, 1909 |
| Epomidiostomatinae Skrjabin & Schulz, 1937 |
| Epomidiostomum Skrjabin, 1915 |
| Epomidiostomum crami Wetzel, 1931 |
| Epomidiostomum uncinatum (Lundahl, 1848) Seurat, 1918 |