| brazil | | uncultured methanocalculus sp. | species | 3 | 0 |
| canada | alberta | methanolinea sp. uba245 | species | 1 | 0 |
| canada | alberta | methanolinea sp. uba437 | species | 1 | 0 |
| canada | alberta | methanolinea sp. uba451 | species | 1 | 0 |
| canada | alberta | methanolinea sp. uba473 | species | 1 | 0 |
| canada | alberta | methanoregula sp. | species | 5 | 0 |
| canada | alberta | methanoregula sp. uba244 | species | 1 | 0 |
| canada | alberta | methanoregula sp. uba247 | species | 1 | 0 |
| canada | alberta | methanoregula sp. uba434 | species | 1 | 0 |
| canada | alberta | methanoregula sp. uba450 | species | 1 | 0 |
| canada | alberta | methanoregula sp. uba452 | species | 1 | 0 |
| canada | alberta | methanoregula sp. uba469 | species | 1 | 0 |
| canada | alberta | methanoregula sp. uba471 | species | 1 | 0 |
| canada | british columbia | methanoregula sp. | species | 3 | 0 |
| china | | methanocalculus sp. enrichment culture clone a2-23 | species | 1 | 0 |
| china | | methanocalculus sp. enrichment culture clone a3-40 | species | 1 | 0 |
| china | | methanocalculus sp. enrichment culture clone a3-53 | species | 1 | 0 |
| china | | methanocalculus sp. enrichment culture clone a4-3 | species | 1 | 0 |
| china | | methanocalculus sp. enrichment culture clone sa2-91 | species | 1 | 0 |
| china | | methanolinea sp. enrichment culture clone b1-a-23 | species | 1 | 0 |
| china | | methanolinea sp. enrichment culture clone sa2-93 | species | 1 | 0 |
| china | | methanolinea tarda | species | 4 | 0 |
| china | | methanoregula boonei | species | 2 | 0 |
| china | | methanoregula formicica | species | 1 | 0 |
| china | | methanosphaerula palustris | species | 1 | 0 |
| china | | uncultured methanocalculus sp. | species | 190 | 0 |
| china | | uncultured methanolinea sp. | species | 23 | 0 |
| china | | uncultured methanoregula sp. | species | 3 | 0 |
| china | | uncultured methanosphaerula sp. | species | 1 | 0 |
| china | henan | uncultured methanolinea sp. | species | 1 | 0 |
| china | hunan | uncultured methanolinea sp. | species | 2 | 0 |
| china | hunan | uncultured methanoregula sp. | species | 3 | 0 |
| china | shandong | methanocalculus sp. enrichment culture clone l35a_25 | species | 1 | 0 |
| china | shandong | methanocalculus sp. enrichment culture clone l35a_27 | species | 1 | 0 |
| china | shandong | methanocalculus sp. enrichment culture clone l35a_3 | species | 1 | 0 |
| china | shandong | methanocalculus sp. enrichment culture clone l35a_9 | species | 1 | 0 |
| china | shandong | methanolinea sp. enrichment culture clone l55a_18 | species | 1 | 0 |
| china | shandong | methanolinea sp. enrichment culture clone l55a_3 | species | 1 | 0 |
| china | shandong | methanolinea sp. enrichment culture clone l55a_7 | species | 1 | 0 |
| colombia | | uncultured methanolinea sp. | species | 1 | 0 |
| czech republic | | uncultured methanolinea sp. | species | 1 | 0 |
| denmark | | uncultured methanolinea sp. | species | 2 | 0 |
| france | | methanosphaerula sp. enrichment culture clone mghr | species | 1 | 0 |
| india | | methanolinea tarda | species | 1 | 0 |
| india | | methanoregula boonei | species | 1 | 0 |
| india | | methanoregula formicica | species | 1 | 0 |
| india | | methanosphaerula palustris e1-9c | no rank | 1 | 0 |
| india | | uncultured methanocalculus sp. | species | 10 | 0 |
| india | | uncultured methanolinea sp. | species | 15 | 0 |
| india | | uncultured methanoregula sp. | species | 123 | 0 |
| india | | uncultured methanosphaerula sp. | species | 3 | 0 |
| india | maharashtra | methanocalculus sp. ca100 | species | 1 | 0 |
| india | maharashtra | methanocalculus sp. la2 | species | 1 | 0 |
| japan | | methanolinea tarda nobi-1 | no rank | 1 | 0 |
| japan | | methanoregula formicica | species | 2 | 0 |
| japan | | methanoregula formicica smsp | no rank | 1 | 0 |
| japan | | uncultured methanolinea sp. | species | 1 | 0 |
| japan | niigata prefecture | methanolinea tarda nobi-1 | no rank | 63 | 0 |
| japan | shizuoka prefecture | uncultured methanosphaerula sp. | species | 1 | 0 |
| kenya | rift valley province | uncultured methanocalculus sp. | species | 2 | 0 |
| nigeria | | uncultured methanocalculus sp. | species | 15 | 0 |
| nigeria | | uncultured methanolinea sp. | species | 3 | 0 |
| nigeria | | uncultured methanoregula sp. | species | 5 | 0 |
| nigeria | | uncultured methanosphaerula sp. | species | 1 | 0 |
| russia | altai krai | methanocalculus natronophilus | species | 2 | 0 |
| russia | altai krai | methanocalculus sp. amf-a1 | species | 1 | 0 |
| south korea | ulsan city | uncultured methanolinea sp. | species | 2 | 0 |
| taiwan | | methanocalculus | genus | 0 | 2 |
| taiwan | | methanocalculus chunghsingensis | species | 1 | 0 |
| taiwan | | methanolinea | genus | 0 | 1 |
| taiwan | | methanolinea mesophila | species | 1 | 0 |
| taiwan | taiwan municipality | methanolinea mesophila | species | 1 | 0 |
| turkey | | uncultured methanolinea sp. | species | 1 | 0 |
| united states | | methanolinea sp. jgi 0000059-i19 | species | 1 | 0 |
| united states | alaska | methanocalculus sp. 52_23 | species | 225 | 0 |
| united states | alaska | uncultured methanocalculus sp. | species | 20 | 0 |
| united states | new york | methanosphaerula palustris | species | 3 | 0 |
| united states | new york | methanosphaerula palustris e1-9c | no rank | 4 | 0 |