Family: Gradungulidae Forster, 1955
| Genus | Author | Action | Last updated |
|---|---|---|---|
| 1. Gradungula | Forster, 1955 | |  | Species | Catalog | 2016-04-15 |
| 2. Kaiya | Gray, 1987 | | | Species | Catalog | - - |
| 3. Macrogradungula | Gray, 1987 | | | Species | Catalog | - - |
| 4. Pianoa | Forster, 1987 | | | Species | Catalog | - - |
| 5. Progradungula | Forster & Gray, 1979 | | | Species | Catalog | - - |
| 6. Spelungula | Forster, 1987 | | | Species | Catalog | - - |
| 7. Tarlina | Gray, 1987 | | | Species | Catalog | - - |