Species list for Graycassis
| Taxon | Author | Action | Last updated |
|---|---|---|---|
| 1. Graycassis barrington | Platnick, 2000 | Catalog | - - |
| 2. Graycassis boss | Platnick, 2000 | Catalog | - - |
| 3. Graycassis bruxner | Platnick, 2000 | Catalog | - - |
| 4. Graycassis bulga | Platnick, 2000 | Catalog | - - |
| 5. Graycassis chichester | Platnick, 2000 | Catalog | - - |
| 6. Graycassis dorrigo | Platnick, 2000 | Catalog | - - |
| 7. Graycassis enfield | Platnick, 2000 | Catalog | - - |
| 8. Graycassis marengo * | Platnick, 2000 | Catalog | - - |
| 9. Graycassis scrub | Platnick, 2000 | Catalog | - - |
| 10. Graycassis styx | Platnick, 2000 | Catalog | - - |