| antarctica | | naganishia sp. | species | 13 | 0 |
| antarctica | | naganishia vaughanmartiniae | species | 2 | 0 |
| antarctica | | naganishia vaughanmartiniae | species | 1 | 0 |
| australia | victoria | naganishia sp. | species | 1 | 0 |
| brazil | | naganishia sp. | species | 31 | 0 |
| brazil | sao paulo | naganishia sp. | species | 1 | 0 |
| china | | naganishia sp. | species | 21 | 0 |
| china | tianjin shi | naganishia sp. | species | 1 | 0 |
| egypt | | naganishia sp. | species | 1 | 0 |
| faroe islands | | naganishia sp. | species | 4 | 0 |
| hungary | | naganishia sp. | species | 4 | 0 |
| iran | | naganishia sp. | species | 1 | 0 |
| italy | | naganishia onofrii | species | 1 | 0 |
| italy | | naganishia vaughanmartiniae | species | 3 | 0 |
| italy | abruzzo region | naganishia vaughanmartiniae | species | 2 | 0 |
| italy | sardinia autonomous region | naganishia vaughanmartiniae | species | 3 | 0 |
| japan | | naganishia sp. | species | 13 | 0 |
| mexico | | naganishia sp. | species | 4 | 0 |
| mongolia | arkhangai province | naganishia sp. | species | 1 | 0 |
| qatar | | naganishia sp. | species | 8 | 0 |
| russia | | naganishia sp. | species | 1 | 0 |
| slovakia | kosice region | naganishia vaughanmartiniae | species | 1 | 0 |
| thailand | ranong province | naganishia sp. | species | 1 | 0 |
| united states | | naganishia onofrii | species | 2 | 0 |
| united states | alaska | naganishia vaughanmartiniae | species | 2 | 0 |
| united states | california | naganishia sp. | species | 3 | 0 |
| united states | colorado | naganishia onofrii | species | 4 | 0 |