| india | | uncultured ruminobacter sp. | species | 3 | 0 |
| indonesia | | uncultured ruminobacter sp. | species | 1 | 0 |
| italy | umbria region | uncultured ruminobacter sp. | species | 1 | 0 |
| japan | ibaraki prefecture | ruminobacter sp. rm87 | species | 1 | 0 |
| nigeria | | uncultured ruminobacter sp. | species | 1 | 0 |
| thailand | | uncultured ruminobacter sp. | species | 1 | 0 |
| united kingdom | scotland | ruminobacter amylophilus | species | 1 | 0 |