| antarctica | | uncultured clostridiaceae bacterium | species | 2 | 0 |
| australia | | uncultured clostridiaceae bacterium | species | 1 | 0 |
| brazil | | clostridiaceae bacterium enrichment culture clone ctbe cdb1001c04 | species | 1 | 0 |
| brazil | | uncultured clostridiaceae bacterium | species | 1 | 0 |
| canada | ontario | uncultured clostridiaceae bacterium | species | 1 | 0 |
| china | | clostridiaceae bacterium enrichment culture | species | 1 | 0 |
| china | | uncultured clostridiaceae bacterium | species | 22 | 0 |
| china | guangdong | uncultured clostridiaceae bacterium | species | 1 | 0 |
| china | jiangsu | uncultured clostridiaceae bacterium | species | 1 | 0 |
| china | shanghai shi | uncultured clostridiaceae bacterium | species | 2 | 0 |
| costa rica | | uncultured clostridiaceae bacterium | species | 1 | 0 |
| ethiopia | | uncultured clostridiaceae bacterium | species | 1 | 0 |
| france | | uncultured clostridiaceae bacterium | species | 23 | 0 |
| germany | | uncultured clostridiaceae bacterium | species | 1 | 0 |
| germany | berlin | uncultured clostridiaceae bacterium | species | 1 | 0 |
| india | | uncultured clostridiaceae bacterium | species | 1 | 0 |
| india | andhra pradesh | uncultured clostridiaceae bacterium | species | 2 | 0 |
| india | assam | uncultured clostridiaceae bacterium | species | 1 | 0 |
| italy | | uncultured clostridiaceae bacterium | species | 18 | 0 |
| japan | | uncultured clostridiaceae bacterium | species | 2 | 0 |
| japan | hokkaido prefecture | uncultured clostridiaceae bacterium | species | 12 | 0 |
| japan | kanagawa prefecture | uncultured clostridiaceae bacterium | species | 8 | 0 |
| japan | nagasaki prefecture | uncultured clostridiaceae bacterium | species | 5 | 0 |
| japan | saitama prefecture | uncultured clostridiaceae bacterium | species | 72 | 0 |
| kenya | rift valley province | uncultured clostridiaceae bacterium | species | 21 | 0 |
| mexico | | uncultured clostridiaceae bacterium | species | 1 | 0 |
| russia | zabaykalsky krai | uncultured clostridiaceae bacterium | species | 2 | 0 |
| south africa | | uncultured clostridiaceae bacterium | species | 18 | 0 |
| spain | balearic islands | clostridiaceae bacterium enrichment culture clone ms_oil_o5 | species | 1 | 0 |
| spain | balearic islands | clostridiaceae bacterium enrichment culture clone ms_oil_o8 | species | 1 | 0 |
| sweden | ostergoetland | uncultured clostridiaceae bacterium | species | 2 | 0 |
| thailand | nakhon pathom province | uncultured clostridiaceae bacterium | species | 8 | 0 |
| thailand | pathum thani province | uncultured clostridiaceae bacterium | species | 8 | 0 |
| thailand | phitsanulok province | uncultured clostridiaceae bacterium | species | 1 | 0 |
| thailand | prachin buri province | uncultured clostridiaceae bacterium | species | 4 | 0 |
| united kingdom | england | uncultured clostridiaceae bacterium | species | 17 | 0 |
| united states | | clostridiaceae bacterium enrichment culture clone ect.2c3 | species | 1 | 0 |
| united states | | uncultured clostridiaceae bacterium | species | 5 | 0 |
| united states | california | clostridiaceae bacterium enrichment culture clone ec8-10-3_g4 | species | 1 | 0 |
| united states | california | uncultured clostridiaceae bacterium | species | 1 | 0 |
| united states | georgia | uncultured clostridiaceae bacterium | species | 1 | 0 |
| united states | kansas | uncultured clostridiaceae bacterium | species | 1 | 0 |
| united states | massachusetts | uncultured clostridiaceae bacterium | species | 17 | 0 |
| united states | oregon | uncultured clostridiaceae bacterium | species | 1 | 0 |