| china | | uncultured desulfurococcales archaeon | species | 5 | 0 |
| china | qinghai | uncultured desulfurococcales archaeon | species | 3 | 0 |
| japan | okinawa prefecture | uncultured desulfurococcales archaeon | species | 2 | 0 |
| new zealand | | uncultured desulfurococcales archaeon | species | 1 | 0 |
| new zealand | bay of plenty | uncultured desulfurococcales archaeon | species | 1 | 0 |
| russia | kamchatka krai | uncultured desulfurococcales archaeon | species | 2 | 0 |
| united states | | uncultured desulfurococcales archaeon | species | 18 | 0 |