Table 1. K2P genetic distances (%) between all Iranian species and Lebanon sample of the genus Niphargus based on 28S ribosomal DNA gene (below diagonal) and mtDNA (COI) gene (above diagonal).
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
| 1: N. kurdistanensis sp. nov. | - | 12.1 | 13.0 | 15.1 | 14.7 | 11.6 | 12.1 | 13.2 | 15.7 | 13.2 | 11.6 | 12.5 | 19.9 | 9.8 | - | - |
| 2: N. alisadri | 0.6 | - | 13.3 | 17.1 | 15.8 | 12.4 | 11.0 | 12.4 | 14.4 | 11.9 | 12.4 | 13.1 | 20.9 | 12.4 | - | - |
| 3: N. darvishi | 1.1 | 0.8 | - | 14.1 | 15.6 | 9.6 | 10.5 | 12.3 | 13.5 | 12.3 | 4.7 | 10.7 | 17.6 | 10.2 | - | - |
| 4: N. borisi | 2.0 | 2.2 | 2.7 | - | 13.0 | 16.3 | 14.5 | 18.1 | 18.6 | 17.6 | 13.9 | 15.6 | 23.5 | 14.8 | - | - |
| 5: N. sharifi | 0.8 | 0.6 | 1.1 | 1.8 | - | 15.8 | 14.7 | 16.1 | 16.0 | 15.6 | 14.9 | 14.7 | 22.2 | 15.6 | - | - |
| 6: N. khwarizmi | 1.4 | 1.0 | 1.3 | 2.6 | 1.1 | - | 11.2 | 12.1 | 15.8 | 12.1 | 9.0 | 9.0 | 19.9 | 10.5 | - | - |
| 7: N. bisitunicus | 1.3 | 1.1 | 1.4 | 2.7 | 1.0 | 1.1 | - | 11.0 | 13.8 | 10.5 | 8.7 | 11.2 | 21.7 | 12.8 | - | - |
| 8: N. khayyami | 1.7 | 1.3 | 1.5 | 2.6 | 1.1 | 1.0 | 1.1 | - | 10.3 | 0.4 | 11.6 | 14.0 | 22.2 | 13.7 | - | - |
| 8: N. sohrevardensis | 1.4 | 1.0 | 1.0 | 2.6 | 1.1 | 0.8 | 0.9 | 0.8 | - | 9.9 | 14.6 | 13.6 | 22.0 | 16.4 | - | - |
| 10: N. hosseinei | 1.7 | 1.4 | 1.4 | 2.8 | 1.5 | 1.1 | 1.3 | 1.1 | 0.4 | - | 12.1 | 14.0 | 22.2 | 14.2 | - | - |
| 11: N. persicus | 1.3 | 0.9 | 0.3 | 2.8 | 1.3 | 1.4 | 1.5 | 1.7 | 1.1 | 1.5 | - | 10.1 | 17.8 | 9.6 | - | - |
| 12: N. ilamensis | 1.7 | 1.3 | 1.3 | 2.8 | 1.4 | 1.0 | 1.1 | 1.3 | 0.5 | 0.9 | 1.4 | - | 22.0 | 11.9 | - | - |
| 13: N. daniali | 9.7 | 9.7 | 10.0 | 10.0 | 9.6 | 10.4 | 10.4 | 10.4 | 10.4 | 10.8 | 10.2 | 10.4 | - | 17.1 | - | - |
| 14: NLebanon | 0.3 | 0.6 | 1.1 | 2.0 | 0.8 | 1.4 | 1.5 | 1.7 | 1.4 | 1.7 | 1.3 | 1.7 | 9.9 | - | - | - |
| 15: N. sariei | 1.8 | 1.4 | 1.4 | 3.0 | 1.5 | 1.1 | 1.3 | 1.0 | 0.6 | 0.8 | 1.5 | 1.1 | 10.8 | 1.7 | - | - |
| 16: N. kermanshahi | 1.1 | 1.0 | 1.3 | 2.6 | 1.1 | 0.8 | 0.6 | 1.3 | 0.8 | 1.1 | 1.4 | 1.0 | 10.5 | 1.4 | 1.1 | - |
| 17: N. hakani | 1.9 | 1.5 | 2.1 | 3.1 | 1.7 | 1.4 | 1.7 | 1.8 | 1.3 | 1.7 | 2.2 | 1.5 | 10.1 | 1.9 | 1.9 | 1.5 |