| austria | | uncultured methanomassiliicoccales archaeon | species | 38 | 0 |
| china | | uncultured methanomassiliicoccales archaeon | species | 13 | 0 |
| china | jiangsu | uncultured methanomassiliicoccales archaeon | species | 1 | 0 |
| denmark | | uncultured methanomassiliicoccales archaeon | species | 5 | 0 |
| germany | | uncultured methanomassiliicoccales archaeon | species | 12 | 0 |
| svalbard and jan mayen | | uncultured methanomassiliicoccales archaeon | species | 4 | 0 |
| tanzania | | uncultured methanomassiliicoccales archaeon | species | 2 | 0 |