| bangladesh | chittagong division | uncultured gallionellaceae bacterium | species | 11 | 0 |
| bangladesh | rajshahi division | uncultured gallionellaceae bacterium | species | 663 | 0 |
| germany | | uncultured gallionellaceae bacterium | species | 1 | 0 |
| japan | aichi prefecture | uncultured gallionellaceae bacterium | species | 51 | 0 |
| japan | akita prefecture | uncultured gallionellaceae bacterium | species | 37 | 0 |
| japan | okayama prefecture | uncultured gallionellaceae bacterium | species | 2 | 0 |
| philippines | calabarzon region | uncultured gallionellaceae bacterium | species | 284 | 0 |
| russia | yaroslavl oblast | uncultured gallionellaceae bacterium | species | 1 | 0 |
| sweden | | uncultured gallionellaceae bacterium | species | 2 | 0 |
| united states | | uncultured gallionellaceae bacterium | species | 3 | 0 |
| united states | massachusetts | uncultured gallionellaceae bacterium | species | 25 | 0 |
| united states | north carolina | uncultured gallionellaceae bacterium | species | 1 | 0 |