| antarctica | | methanosarcina sp. ant1 | species | 343 | 0 |
| antarctica | | uncultured methanococcoides sp. | species | 3 | 0 |
| australia | | methanosarcina sp. a14 | species | 782 | 0 |
| australia | | uncultured methanosarcina sp. | species | 2 | 0 |
| australia | western australia | methanohalophilus halophilus | species | 1 | 0 |
| australia | western australia | uncultured methanolobus sp. | species | 1 | 0 |
| bahamas | | uncultured methanosarcinaceae archaeon | species | 1 | 0 |
| brazil | | methanosarcina mazei tuc01 | no rank | 1 | 0 |
| brazil | | uncultured methanococcoides sp. | species | 6 | 0 |
| brazil | | uncultured methanolobus sp. | species | 4 | 0 |
| brazil | | uncultured methanosarcina sp. | species | 9 | 0 |
| brazil | rio de janeiro | methanosarcina sp. | species | 1 | 0 |
| brazil | sao paulo | methanosarcina | genus | 0 | 2 |
| cameroon | | uncultured methanimicrococcus sp. | species | 4 | 0 |
| cameroon | | uncultured methanosarcina sp. | species | 3 | 0 |
| canada | alberta | methanolobus | genus | 0 | 1 |
| canada | alberta | methanolobus sp. uba474 | species | 1 | 0 |
| canada | alberta | methanosarcinaceae archaeon uba470 | species | 1 | 0 |
| canada | saskatchewan | methanosarcina sp. 795 | species | 1 | 0 |
| china | | methanolobus sp. enrichment culture clone a3-21 | species | 1 | 0 |
| china | | methanolobus sp. enrichment culture clone a3-42 | species | 1 | 0 |
| china | | methanomethylovorans hollandica | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture clone a1-25 | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture clone a1-26 | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture clone a1-39 | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture clone a1-46 | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture clone a1-54 | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture clone a1-7 | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture clone a2-42 | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture clone a2-6 | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture clone b11-a-23 | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture clone b1-a-41 | species | 1 | 0 |
| china | | methanomethylovorans sp. enrichment culture clone b1-a-64 | species | 1 | 0 |
| china | | methanomethylovorans sp. z1 | species | 1 | 0 |
| china | | methanomethylovorans thermophila | species | 1 | 0 |
| china | | methanosarcina barkeri | species | 1 | 0 |
| china | | methanosarcina mazei | species | 1 | 0 |
| china | | methanosarcina sp. | species | 3 | 0 |
| china | | methanosarcina sp. enrichment culture clone a1-10 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a1-14 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a1-18 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a1-24 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a1-30 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a1-6 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a2-50 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a2-7 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a2-9 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a4-11 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a4-19 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a4-2 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a4-23 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone a4-49 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone ad_archaea_44 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone sa3-106 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone sa4-12 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone sa4-24 | species | 1 | 0 |
| china | | methanosarcina sp. enrichment culture clone sa4-8 | species | 1 | 0 |
| china | | methanosarcina sp. jm-1 | species | 1 | 0 |
| china | | methanosarcina thermophila | species | 1 | 0 |
| china | | methanosarcinaceae archaeon | species | 1 | 0 |
| china | | methanosarcinaceae archaeon enrichment clone m16 | species | 1 | 0 |
| china | | uncultured methanolobus sp. | species | 116 | 0 |
| china | | uncultured methanomethylovorans sp. | species | 9 | 0 |
| china | | uncultured methanosarcina sp. | species | 115 | 0 |
| china | | uncultured methanosarcinaceae archaeon | species | 137 | 0 |
| china | guangdong | uncultured methanosarcinaceae archaeon | species | 2 | 0 |
| china | henan | uncultured methanolobus sp. | species | 1 | 0 |
| china | hunan | methanosarcina sp. uba383 | species | 1 | 0 |
| china | hunan | methanosarcina sp. uba392 | species | 1 | 0 |
| china | hunan | methanosarcina sp. uba402 | species | 1 | 0 |
| china | hunan | uncultured methanomethylovorans sp. | species | 1 | 0 |
| china | hunan | uncultured methanosarcina sp. | species | 1 | 0 |
| china | inner mongolia | methanosarcina sp. uba135 | species | 1 | 0 |
| china | jiangsu | methanosarcina sp. rps13 | species | 1 | 0 |
| china | shanghai shi | methanomethylovorans sp. enrichment culture | species | 2 | 0 |
| china | sichuan | methanosarcina sp. | species | 1 | 0 |
| china | sichuan | methanosarcina sp. rps13 | species | 1 | 0 |
| china | sichuan | methanosarcina sp. uba411 | species | 1 | 0 |
| china | sichuan | methanosarcina sp. uba423 | species | 1 | 0 |
| china | sichuan | uncultured methanosarcina sp. | species | 1 | 0 |
| china | tibet | methanolobus | genus | 0 | 1 |
| china | yunnan | methanosarcina sp. | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba289 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba293 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba304 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba323 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba338 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba342 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba361 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba363 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba369 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba376 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba398 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba43 | species | 1 | 0 |
| china | yunnan | methanosarcina sp. uba591 | species | 1 | 0 |
| costa rica | | uncultured methanosarcina sp. | species | 7 | 0 |
| czech republic | | uncultured methanimicrococcus sp. | species | 1 | 0 |
| czech republic | | uncultured methanosarcina sp. | species | 1 | 0 |
| denmark | | methanosarcina sp. enrichment culture clone gang 14 | species | 1 | 0 |
| denmark | | methanosarcina sp. enrichment culture clone gang 15 | species | 1 | 0 |
| egypt | | methanosalsum zhilinae | species | 1 | 0 |
| egypt | | methanosalsum zhilinae dsm 4017 | no rank | 2 | 0 |
| france | | methanosarcina sp. enrichment culture clone mgahr | species | 1 | 0 |
| germany | | methanohalophilus euhalobius | species | 22 | 0 |
| germany | | methanohalophilus halophilus | species | 22 | 0 |
| germany | | methanohalophilus portucalensis fdf-1 | no rank | 36 | 0 |
| germany | | methanomethylovorans sp. lfp3.1 | species | 1 | 0 |
| germany | | methanosarcina barkeri | species | 1 | 0 |
| germany | | methanosarcina flavescens | species | 2 | 0 |
| germany | | methanosarcina mazei | species | 3 | 0 |
| germany | | methanosarcina sp. | species | 1 | 0 |
| germany | | uncultured methanosarcina sp. | species | 1 | 0 |
| germany | | uncultured methanosarcinaceae archaeon | species | 103 | 0 |
| germany | bavaria | uncultured methanosarcinaceae archaeon | species | 2 | 0 |
| germany | hesse | uncultured methanosarcina sp. | species | 20 | 0 |
| germany | saxony-anhalt | uncultured methanococcoides sp. | species | 5 | 0 |
| germany | saxony-anhalt | uncultured methanolobus sp. | species | 105 | 0 |
| germany | thuringen | methanosarcina mazei | species | 985 | 0 |
| greece | central macedonia region | uncultured methanosarcina sp. | species | 1 | 0 |
| india | | methanolobus profundi | species | 1 | 0 |
| india | | methanolobus sp. enrichment culture clone cibanicra-13 | species | 1 | 0 |
| india | | methanolobus sp. enrichment culture clone cibanicra-14 | species | 1 | 0 |
| india | | methanolobus sp. uba32 | species | 1 | 0 |
| india | | methanomethylovorans thermophila | species | 2 | 0 |
| india | | methanosalsum sp. grau-6 | species | 1 | 0 |
| india | | methanosarcina acetivorans | species | 1 | 0 |
| india | | methanosarcina barkeri | species | 6 | 0 |
| india | | methanosarcina flavescens | species | 6 | 0 |
| india | | methanosarcina mazei | species | 34 | 0 |
| india | | methanosarcina siciliae | species | 3 | 0 |
| india | | methanosarcina sp. | species | 7 | 0 |
| india | | methanosarcina sp. enrichment culture clone cibanicra-15 | species | 1 | 0 |
| india | | methanosarcina sp. enrichment culture clone cibanicra-mbt2 | species | 1 | 0 |
| india | | methanosarcina sp. enrichment culture clone cibanicra-mbt5 | species | 1 | 0 |
| india | | methanosarcina sp. enrichment culture clone cibanicra-mbt6 | species | 1 | 0 |
| india | | methanosarcina sp. grau-10 | species | 1 | 0 |
| india | | methanosarcina sp. met5bhj | species | 2 | 0 |
| india | | methanosarcina sp. tma3rmk | species | 2 | 0 |
| india | | methanosarcina thermophila | species | 4 | 0 |
| india | | uncultured methanococcoides sp. | species | 5 | 0 |
| india | | uncultured methanohalophilus sp. | species | 5 | 0 |
| india | | uncultured methanolobus sp. | species | 19 | 0 |
| india | | uncultured methanomethylovorans sp. | species | 11 | 0 |
| india | | uncultured methanosalsum sp. | species | 7 | 0 |
| india | | uncultured methanosarcina sp. | species | 81 | 0 |
| india | maharashtra | methanolobus | genus | 0 | 1 |
| india | maharashtra | methanosarcina | genus | 0 | 1 |
| italy | | methanolobus tindarius dsm 2278 | no rank | 1 | 0 |
| italy | | uncultured methanococcoides sp. | species | 1 | 0 |
| italy | | uncultured methanohalophilus sp. | species | 1 | 0 |
| italy | | uncultured methanosarcina sp. | species | 2 | 0 |
| italy | | uncultured methanosarcinaceae archaeon | species | 4 | 0 |
| italy | campania region | methanococcoides | genus | 0 | 1 |
| italy | veneto region | methanosarcina sp. enrichment culture clone t-rf52 | species | 1 | 0 |
| japan | | methanosarcina thermophila | species | 1 | 0 |
| japan | | uncultured methanimicrococcus sp. | species | 1 | 0 |
| japan | | uncultured methanomethylovorans sp. | species | 1 | 0 |
| japan | | uncultured methanosarcina sp. | species | 33 | 0 |
| japan | aomori prefecture | uncultured methanosarcinaceae archaeon | species | 1 | 0 |
| japan | chiba prefecture | methanohalophilus levihalophilus | species | 3 | 0 |
| japan | chiba prefecture | methanolobus profundi | species | 1 | 0 |
| japan | fukuoka prefecture | methanosarcina mazei | species | 2 | 0 |
| japan | hokkaido prefecture | methanosarcina | genus | 0 | 1 |
| japan | hokkaido prefecture | methanosarcina horonobensis | species | 2 | 0 |
| japan | hokkaido prefecture | methanosarcina sp. t36 | species | 2 | 0 |
| japan | hokkaido prefecture | methanosarcina subterranea | species | 3 | 0 |
| japan | hokkaido prefecture | uncultured methanosarcina sp. | species | 5 | 0 |
| japan | hokkaido prefecture | uncultured methanosarcinaceae archaeon | species | 1 | 0 |
| japan | ibaraki prefecture | uncultured methanosarcina sp. | species | 4 | 0 |
| japan | iwate prefecture | uncultured methanosarcina sp. | species | 2 | 0 |
| japan | kyoto prefecture | methanosarcina | genus | 0 | 1 |
| japan | niigata prefecture | methanolobus sp. higm | species | 1 | 0 |
| japan | niigata prefecture | methanosarcina | genus | 0 | 1 |
| japan | shizuoka prefecture | uncultured methanomethylovorans sp. | species | 4 | 0 |
| kiribati | | methanohalophilus sp. l21-tma-ab | species | 1 | 0 |
| mexico | | uncultured methanococcoides sp. | species | 1 | 0 |
| mexico | | uncultured methanohalobium sp. | species | 24 | 0 |
| mexico | | uncultured methanohalophilus sp. | species | 4 | 0 |
| mexico | | uncultured methanolobus sp. | species | 1 | 0 |
| mexico | | uncultured methanosarcinaceae archaeon | species | 7 | 0 |
| mexico | baja california | methanococcoides | genus | 0 | 1 |
| mexico | baja california | methanolobus | genus | 0 | 1 |
| mexico | baja california sur | methanococcoides | genus | 0 | 1 |
| mexico | baja california sur | methanohalophilus sp. enrichment culture clone gn1 | species | 1 | 0 |
| mexico | baja california sur | methanolobus | genus | 0 | 1 |
| mexico | baja california sur | uncultured methanococcoides sp. | species | 3 | 0 |
| mexico | baja california sur | uncultured methanohalophilus sp. | species | 1 | 0 |
| mexico | baja california sur | uncultured methanolobus sp. | species | 3 | 0 |
| mexico | guerrero | methanococcoides | genus | 0 | 1 |
| mexico | guerrero | methanolobus | genus | 0 | 1 |
| netherlands | gelderland province | methanimicrococcus blatticola | species | 14 | 0 |
| new zealand | | methanosarcina acetivorans | species | 3 | 0 |
| new zealand | | methanosarcina sp. abm25 | species | 1 | 0 |
| new zealand | | methanosarcina sp. cm2 | species | 1 | 0 |
| new zealand | | methanosarcina sp. mixed culture al10 | species | 1 | 0 |
| new zealand | canterbury | methanosarcina sp. | species | 1 | 0 |
| new zealand | manawatu-wanganui | methanosarcina barkeri cm1 | species | 1 | 0 |
| nigeria | | uncultured methanimicrococcus sp. | species | 19 | 0 |
| nigeria | | uncultured methanococcoides sp. | species | 18 | 0 |
| nigeria | | uncultured methanohalobium sp. | species | 3 | 0 |
| nigeria | | uncultured methanohalophilus sp. | species | 2 | 0 |
| nigeria | | uncultured methanolobus sp. | species | 6 | 0 |
| nigeria | | uncultured methanosalsum sp. | species | 8 | 0 |
| nigeria | | uncultured methanosarcina sp. | species | 43 | 0 |
| norway | more og romsdal county | methanosarcina | genus | 0 | 1 |
| pakistan | | methanosarcina mazei | species | 1 | 0 |
| philippines | | uncultured methanosarcinaceae archaeon | species | 9 | 0 |
| portugal | | methanohalophilus portucalensis fdf-1 | no rank | 16 | 0 |
| romania | | methanosarcina spelaei | species | 1122 | 0 |
| romania | constanta county | methanosarcina spelaei | species | 1 | 0 |
| russia | | methanohalobium evestigatum z-7303 | no rank | 2 | 0 |
| russia | | methanosarcina lacustris | species | 1 | 0 |
| russia | | methanosarcina mazei | species | 2 | 0 |
| russia | | methanosarcina sp. | species | 1 | 0 |
| russia | | uncultured methanosarcina sp. | species | 1 | 0 |
| russia | altai krai | methanolobus sp. ame1 | species | 1 | 0 |
| russia | altai krai | methanolobus sp. ame4 | species | 1 | 0 |
| russia | altai krai | methanosalsum natronophilum | species | 4 | 0 |
| russia | khabarovsk krai | methanosarcina sp. jl01 | species | 1 | 0 |
| slovakia | | uncultured methanomethylovorans sp. | species | 1 | 0 |
| slovakia | | uncultured methanosarcina sp. | species | 2 | 0 |
| south korea | | methanomethylovorans uponensis | species | 3 | 0 |
| south korea | | methanosarcina mazei | species | 1 | 0 |
| south korea | ulsan city | uncultured methanomethylovorans sp. | species | 1 | 0 |
| spain | | methanosarcina sp. | species | 2 | 0 |
| spain | andalusia | methanococcoides sp. enrichment culture clone 4.17a arc band 2 | species | 1 | 0 |
| spain | andalusia | methanococcoides sp. enrichment culture clone 4.17b arc band 2 | species | 1 | 0 |
| spain | andalusia | methanococcoides sp. enrichment culture clone 4.17c arc band 1 | species | 1 | 0 |
| spain | andalusia | methanococcoides sp. enrichment culture clone 4.17d arc band 1 | species | 1 | 0 |
| spain | catalonia | methanosarcina | genus | 0 | 1 |
| svalbard and jan mayen | svalbard | methanosarcina | genus | 0 | 1 |
| sweden | gotland | methanosarcina | genus | 0 | 1 |
| sweden | ostergoetland | uncultured methanosarcina sp. | species | 18 | 0 |
| sweden | ostergoetland | uncultured methanosarcinaceae archaeon | species | 5 | 0 |
| taiwan | | methanolobus | genus | 0 | 1 |
| taiwan | | methanosarcina mazei | species | 3 | 0 |
| taiwan | | uncultured methanolobus sp. | species | 1 | 0 |
| taiwan | | uncultured methanosarcina sp. | species | 8 | 0 |
| tanzania | | methanomethylovorans victoriae | species | 1 | 0 |
| tanzania | | uncultured methanosarcina sp. | species | 8 | 0 |
| thailand | | uncultured methanomethylovorans sp. | species | 1 | 0 |
| thailand | | uncultured methanosarcina sp. | species | 3 | 0 |
| thailand | | uncultured methanosarcinaceae archaeon | species | 1 | 0 |
| thailand | chonburi province | uncultured methanosarcina sp. | species | 8 | 0 |
| turkey | | uncultured methanosarcina sp. | species | 3 | 0 |
| ukraine | autonomous republic of crimea | methanococcoides | genus | 0 | 1 |
| ukraine | autonomous republic of crimea | methanohalobium evestigatum z-7303 | no rank | 1 | 0 |
| united kingdom | | uncultured methanosarcina sp. | species | 1 | 0 |
| united states | | methanococcoides sp. ebm-47 | species | 54 | 0 |
| united states | | methanosarcina thermophila | species | 7 | 0 |
| united states | alaska | methanococcoides | genus | 0 | 1 |
| united states | alaska | methanococcoides alaskense | species | 10 | 0 |
| united states | alaska | methanosarcina | genus | 0 | 1 |
| united states | alaska | uncultured methanolobus sp. | species | 32 | 0 |
| united states | alaska | uncultured methanomethylovorans sp. | species | 3 | 0 |
| united states | california | methanococcoides methylutens | species | 32 | 0 |
| united states | california | methanosarcina mazei | species | 3 | 0 |
| united states | california | methanosarcinaceae archaeon | species | 1 | 0 |
| united states | california | uncultured methanosarcinaceae archaeon | species | 37 | 0 |
| united states | florida | methanosarcina | genus | 0 | 2 |
| united states | florida | uncultured methanosarcina sp. | species | 3 | 0 |
| united states | louisiana | methanolobus | genus | 0 | 1 |
| united states | louisiana | methanolobus zinderi | species | 4 | 0 |
| united states | michigan | methanohalophilus | genus | 0 | 1 |
| united states | michigan | methanosarcina | genus | 0 | 1 |
| united states | new jersey | uncultured methanosarcina sp. | species | 3 | 0 |
| united states | ohio | methanohalophilus sp. 2-gbenrich | species | 24 | 0 |
| united states | oklahoma | methanosarcinaceae archaeon | species | 3 | 0 |
| united states | oregon | methanococcoides | genus | 0 | 1 |
| united states | oregon | methanosarcina mazei | species | 21060 | 0 |
| united states | oregon | methanosarcina sp. 1.h.a.2.2 | species | 208 | 0 |
| united states | oregon | methanosarcina sp. 1.h.t.1a.1 | species | 322 | 0 |
| united states | oregon | methanosarcina sp. 2.h.a.1b.4 | species | 190 | 0 |
| united states | oregon | methanosarcina sp. 2.h.t.1a.15 | species | 706 | 0 |
| united states | oregon | methanosarcina sp. 2.h.t.1a.3 | species | 186 | 0 |
| united states | oregon | methanosarcina sp. 2.h.t.1a.6 | species | 110 | 0 |
| united states | oregon | methanosarcina sp. 2.h.t.1a.8 | species | 140 | 0 |
| united states | pennsylvania | methanohalophilus sp. dal1 | species | 59 | 0 |
| united states | pennsylvania | methanohalophilus sp. t328-1 | species | 261 | 0 |
| united states | pennsylvania | methanolobus sp. t82-4 | species | 146 | 0 |
| united states | utah | methanohalophilus | genus | 0 | 1 |
| united states | virginia | methanolobus vulcani | species | 21 | 0 |
| united states | wisconsin | methanosarcina | genus | 0 | 1 |
| vietnam | | methanosarcina sp. m37 | species | 1 | 0 |