| china | | uncultured methanomethylovorans sp. | species | 9 | 0 |
| china | hunan | uncultured methanomethylovorans sp. | species | 1 | 0 |
| india | | uncultured methanomethylovorans sp. | species | 11 | 0 |
| japan | | uncultured methanomethylovorans sp. | species | 1 | 0 |
| japan | shizuoka prefecture | uncultured methanomethylovorans sp. | species | 4 | 0 |
| slovakia | | uncultured methanomethylovorans sp. | species | 1 | 0 |
| south korea | ulsan city | uncultured methanomethylovorans sp. | species | 1 | 0 |
| thailand | | uncultured methanomethylovorans sp. | species | 1 | 0 |
| united states | alaska | uncultured methanomethylovorans sp. | species | 3 | 0 |