| croatia | | austropotamobius italicus | species | 4 | 0 |
| france | | austropotamobius italicus italicus | subspecies | 1 | 0 |
| france | | austropotamobius italicus meridionalis | subspecies | 1 | 0 |
| germany | | austropotamobius italicus | species | 2 | 0 |
| italy | | austropotamobius italicus | species | 65 | 0 |
| italy | sardinia autonomous region | austropotamobius italicus meridionalis | subspecies | 1 | 0 |
| spain | | austropotamobius italicus | species | 32 | 0 |