| brazil | | uncultured methanospirillum sp. | species | 3 | 0 |
| canada | | methanospirillum hungatei | species | 2 | 0 |
| china | | methanospirillum hungatei | species | 1 | 0 |
| china | | methanospirillum sp. enrichment culture | species | 1 | 0 |
| china | | methanospirillum sp. enrichment culture clone ad_archaea_16 | species | 1 | 0 |
| china | | methanospirillum sp. enrichment culture clone ad_archaea_19 | species | 1 | 0 |
| china | | methanospirillum sp. enrichment culture clone ad_archaea_25 | species | 1 | 0 |
| china | | methanospirillum sp. enrichment culture clone ad_archaea_43 | species | 1 | 0 |
| china | | methanospirillum sp. enrichment culture clone ad_archaea_5 | species | 1 | 0 |
| china | | methanospirillum sp. enrichment culture clone ad_archaea_6 | species | 1 | 0 |
| china | | uncultured methanospirillum sp. | species | 41 | 0 |
| china | guangdong | uncultured methanospirillum sp. | species | 1 | 0 |
| china | hubei | methanospirillum psychrodurum | species | 3 | 0 |
| china | hunan | uncultured methanospirillum sp. | species | 1 | 0 |
| costa rica | | methanospirillum hungatei | species | 1 | 0 |
| costa rica | | methanospirillum sp. | species | 1 | 0 |
| czech republic | | uncultured methanospirillum sp. | species | 2 | 0 |
| germany | bremen | methanospirillum sp. | species | 1 | 0 |
| germany | lower saxony | methanospirillum sp. | species | 2 | 0 |
| india | | methanospirillum hungatei | species | 3 | 0 |
| india | | methanospirillum hungatei jf-1 | no rank | 1 | 0 |
| india | | methanospirillum sp. | species | 1 | 0 |
| india | | uncultured methanospirillum sp. | species | 31 | 0 |
| india | himachal pradesh | methanospirillum hungatei | species | 1 | 0 |
| ireland | | uncultured methanospirillum sp. | species | 1 | 0 |
| ireland | connaught province | uncultured methanospirillum sp. | species | 1 | 0 |
| japan | | uncultured methanospirillum sp. | species | 2 | 0 |
| japan | chiba prefecture | methanospirillum lacunae | species | 54 | 0 |
| netherlands | | methanospirillum stamsii | species | 1 | 0 |
| netherlands | gelderland province | methanospirillum stamsii | species | 180 | 0 |
| nigeria | | uncultured methanospirillum sp. | species | 1 | 0 |
| south korea | ulsan city | uncultured methanospirillum sp. | species | 1 | 0 |
| sweden | ostergoetland | uncultured methanospirillum sp. | species | 1 | 0 |
| taiwan | | uncultured methanospirillum sp. | species | 2 | 0 |
| thailand | | uncultured methanospirillum sp. | species | 1 | 0 |
| turkey | | uncultured methanospirillum sp. | species | 1 | 0 |
| united states | | methanospirillum sp. jgi 0000059-j12 | species | 1 | 0 |
| united states | california | methanospirillum sp. | species | 2 | 0 |
| united states | wisconsin | methanospirillum | genus | 0 | 1 |