| australia | new south wales | uncultured opitutaceae bacterium | species | 5 | 0 |
| australia | new south wales | uncultured opitutus sp. | species | 2 | 0 |
| australia | queensland | opitutaceae bacterium uba2377 | species | 1 | 0 |
| australia | queensland | opitutaceae bacterium uba2422 | species | 1 | 0 |
| australia | queensland | opitutaceae bacterium uba6669 | species | 1 | 0 |
| brazil | | uncultured opitutus sp. | species | 2 | 0 |
| canada | | opitutus sp. nvt1 | species | 1 | 0 |
| canada | | uncultured opitutus sp. | species | 3 | 0 |
| canada | alberta | opitutaceae bacterium uba4046 | species | 1 | 0 |
| canada | alberta | opitutaceae bacterium uba4094 | species | 1 | 0 |
| canada | nunavut | uncultured opitutus sp. | species | 1 | 0 |
| china | | uncultured opitutaceae bacterium | species | 1 | 0 |
| china | | uncultured opitutus sp. | species | 5 | 0 |
| china | beijing | opitutaceae bacterium | species | 2 | 0 |
| china | hubei | opitutaceae bacterium tsb47 | species | 268 | 0 |
| china | hubei | uncultured opitutus sp. | species | 1 | 0 |
| china | hunan | uncultured alterococcus sp. | species | 6 | 0 |
| china | hunan | uncultured opitutus sp. | species | 47 | 0 |
| china | jiangsu | opitutaceae bacterium | species | 7 | 0 |
| china | sichuan | uncultured opitutus sp. | species | 2 | 0 |
| china | yunnan | uncultured alterococcus sp. | species | 1 | 0 |
| france | | uncultured opitutaceae bacterium | species | 1 | 0 |
| france | | uncultured opitutus sp. | species | 4 | 0 |
| france | auvergne region | uncultured opitutaceae bacterium | species | 1 | 0 |
| france | auvergne region | uncultured opitutus sp. | species | 9 | 0 |
| germany | berlin | uncultured opitutaceae bacterium | species | 1 | 0 |
| germany | hesse | opitutaceae bacterium ho45 | species | 241 | 0 |
| germany | lower saxony | opitutaceae bacterium | species | 7 | 0 |
| germany | lower saxony | opitutaceae bacterium ig16b | species | 3 | 0 |
| greenland | | opitutaceae bacterium | species | 3 | 0 |
| hong kong | | opitutaceae bacterium | species | 1 | 0 |
| japan | | uncultured opitutaceae bacterium | species | 1 | 0 |
| japan | | uncultured opitutus sp. | species | 1 | 0 |
| japan | ehime prefecture | uncultured alterococcus sp. | species | 1 | 0 |
| japan | hokkaido prefecture | uncultured opitutus sp. | species | 5 | 0 |
| mexico | | uncultured alterococcus sp. | species | 1 | 0 |
| mexico | | uncultured opitutaceae bacterium | species | 2 | 0 |
| mexico | | uncultured opitutus sp. | species | 5 | 0 |
| mexico | yucatan | uncultured opitutus sp. | species | 1 | 0 |
| new zealand | canterbury | opitutaceae bacterium | species | 5 | 0 |
| nigeria | | uncultured alterococcus sp. | species | 1 | 0 |
| nigeria | | uncultured opitutus sp. | species | 19 | 0 |
| norway | | uncultured opitutus sp. | species | 3 | 0 |
| russia | irkutsk oblast | opitutaceae bacterium | species | 3 | 0 |
| russia | novosibirsk oblast | uncultured opitutus sp. | species | 2 | 0 |
| south africa | eastern cape province | candidatus didemnitutus mandela | species | 14 | 0 |
| south africa | the western cape province | uncultured opitutaceae bacterium | species | 1 | 0 |
| spain | | uncultured opitutus sp. | species | 13 | 0 |
| taiwan | | lacunisphaera sp. twa-58 | species | 8 | 0 |
| united states | | opitutaceae bacterium | species | 1 | 0 |
| united states | | uncultured opitutaceae bacterium | species | 5 | 0 |
| united states | | uncultured opitutus sp. | species | 3 | 0 |
| united states | alabama | uncultured opitutus sp. | species | 1 | 0 |
| united states | arizona | cephaloticoccus primus | species | 146 | 0 |
| united states | arizona | opitutaceae bacterium | species | 1 | 0 |
| united states | california | uncultured opitutus sp. | species | 1 | 0 |
| united states | florida | cephaloticoccus capnophilus | species | 134 | 0 |
| united states | georgia | uncultured opitutaceae bacterium | species | 3 | 0 |
| united states | georgia | uncultured opitutus sp. | species | 1 | 0 |
| united states | hawaii | uncultured opitutaceae bacterium | species | 1 | 0 |
| united states | kansas | uncultured opitutaceae bacterium | species | 5 | 0 |
| united states | kansas | uncultured opitutus sp. | species | 1 | 0 |
| united states | massachusetts | uncultured opitutaceae bacterium | species | 2 | 0 |
| united states | michigan | opitutaceae bacterium tav1 | species | 1 | 0 |
| united states | michigan | uncultured opitutaceae bacterium | species | 14 | 0 |
| united states | ohio | opitutaceae bacterium | species | 1 | 0 |
| united states | texas | opitutaceae bacterium | species | 3 | 0 |
| united states | utah | uncultured opitutus sp. | species | 3 | 0 |
| united states | wisconsin | uncultured opitutaceae bacterium | species | 3 | 0 |