| canada | british columbia | desulfacinum infernum | species | 1 | 0 |
| china | | uncultured desulfacinum sp. | species | 17 | 0 |
| colombia | antioquia department | desulfacinum | genus | 0 | 1 |
| ecuador | | uncultured desulfacinum sp. | species | 1 | 0 |
| india | | uncultured desulfacinum sp. | species | 1 | 0 |
| japan | | uncultured desulfacinum sp. | species | 1 | 0 |