| brazil | | uncultured methanococcus sp. | species | 2 | 0 |
| china | | uncultured methanococcus sp. | species | 2 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-21 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-22 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-23 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-24 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-25 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-26 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-27 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-28 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-29 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-30 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-31 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-32 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-33 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-34 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-35 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-36 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-37 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-38 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-mbt10 | species | 1 | 0 |
| india | | methanococcus sp. enrichment culture clone cibanicra-mbt4 | species | 1 | 0 |
| india | | uncultured methanococcus sp. | species | 21 | 0 |
| nigeria | | uncultured methanococcus sp. | species | 3 | 0 |