| china | | uncultured sphaerotilus sp. | species | 2 | 0 |
| china | hunan | uncultured sphaerotilus sp. | species | 1 | 0 |
| nigeria | | uncultured sphaerotilus sp. | species | 2 | 0 |
| spain | | uncultured sphaerotilus sp. | species | 2 | 0 |
| thailand | | uncultured sphaerotilus sp. | species | 1 | 0 |
| thailand | bangkok | uncultured sphaerotilus sp. | species | 1 | 0 |
| tunisia | | uncultured sphaerotilus sp. | species | 1 | 0 |
| united states | | uncultured sphaerotilus sp. | species | 1 | 0 |