| australia | | uncultured porphyromonas sp. | species | 1 | 0 |
| canada | ontario | uncultured porphyromonas sp. | species | 3 | 0 |
| china | | uncultured porphyromonas sp. | species | 10 | 0 |
| china | gansu | uncultured porphyromonas sp. | species | 3 | 0 |
| china | hunan | uncultured porphyromonas sp. | species | 3 | 0 |
| china | inner mongolia | uncultured porphyromonas sp. | species | 1 | 0 |
| hong kong | | uncultured porphyromonas sp. | species | 1 | 0 |
| india | | uncultured porphyromonas sp. | species | 2 | 0 |
| israel | | uncultured porphyromonas sp. | species | 1 | 0 |
| japan | aichi prefecture | uncultured porphyromonas sp. | species | 1 | 0 |
| niger | | uncultured porphyromonas sp. | species | 17 | 0 |
| south africa | | uncultured porphyromonas sp. | species | 1 | 0 |
| united kingdom | | uncultured porphyromonas sp. | species | 1 | 0 |
| united states | alabama | uncultured porphyromonas sp. | species | 1 | 0 |