| T00003 | mja | Methanocaldococcus jannaschii |
| T00976 | mfe | Methanocaldococcus fervens |
| T01105 | mvu | Methanocaldococcus vulcanius |
| T01175 | mfs | Methanocaldococcus sp. FS406-22 |
| T01234 | mif | Methanocaldococcus infernus |
| T03253 | mjh | Methanocaldococcus bathoardescens |
| T01510 | mig | Methanotorris igneus |
| T00164 | mmp | Methanococcus maripaludis S2 |
| T00491 | mmq | Methanococcus maripaludis C5 |
| T00615 | mmx | Methanococcus maripaludis C6 |
| T00553 | mmz | Methanococcus maripaludis C7 |
| T01584 | mmd | Methanococcus maripaludis X1 |
| T03692 | mmak | Methanococcus maripaludis KA1 |
| T03693 | mmao | Methanococcus maripaludis OS7 |
| T00552 | mae | Methanococcus aeolicus |
| T00554 | mvn | Methanococcus vannielii |
| T01251 | mvo | Methanococcus voltae |
| T01534 | mok | Methanothermococcus okinawensis |
| T00080 | mac | Methanosarcina acetivorans |
| T00271 | mba | Methanosarcina barkeri Fusaro |
| T03838 | mby | Methanosarcina barkeri MS |
| T03839 | mbw | Methanosarcina barkeri Wiesmoor |
| T03914 | mbar | Methanosarcina barkeri 227 |
| T04533 | mbak | Methanosarcina barkeri 3 |
| T00082 | mma | Methanosarcina mazei Go1 |
| T02477 | mmaz | Methanosarcina mazei Tuc01 |
| T04532 | mmj | Methanosarcina mazei S-6 |
| T04626 | mmac | Methanosarcina mazei C16 |
| T03815 | mvc | Methanosarcina vacuolata |
| T03821 | mek | Methanosarcina sp. Kolksee |
| T03822 | mls | Methanosarcina lacustris |
| T03850 | metm | Methanosarcina sp. MTP4 |
| T03851 | mef | Methanosarcina sp. WH1 |
| T03852 | meq | Methanosarcina sp. WWM596 |
| T03863 | msj | Methanosarcina siciliae C2J |
| T03864 | msz | Methanosarcina siciliae HI350 |
| T03865 | msw | Methanosarcina siciliae T4/M |
| T03891 | mthe | Methanosarcina thermophila CHTI-55 |
| T03892 | mthr | Methanosarcina thermophila TM-1 |
| T03933 | mhor | Methanosarcina horonobensis |
| T00341 | mbu | Methanococcoides burtonii |
| T03913 | mmet | Methanococcoides methylutens |
| T01211 | mmh | Methanohalophilus mahii |
| T04572 | mhaz | Methanohalophilus halophilus |
| T01261 | mev | Methanohalobium evestigatum |
| T01541 | mzh | Methanosalsum zhilinae |
| T02280 | mpy | Methanolobus psychrophilus |
| T02418 | mhz | Methanomethylovorans hollandica |
| T00417 | mtp | Methanosaeta thermophila |
| T01468 | mcj | Methanosaeta concilii |
| T01990 | mhi | Methanosaeta harundinacea |
| T00325 | mhu | Methanospirillum hungatei |
| T00472 | mla | Methanocorpusculum labreanum |
| T00477 | mem | Methanoculleus marisnigri |
| T02189 | mbg | Methanoculleus bourgensis |
| T04314 | mema | Methanoculleus sp. MAB1 |
| T01312 | mpi | Methanolacinia petrolearia |
| T00578 | mbn | Methanoregula boonei |
| T02392 | mfo | Methanoregula formicica |
| T00823 | mpl | Candidatus Methanosphaerula palustris |
| T01142 | mpd | Methanocella paludicola |
| T01774 | mez | Methanocella conradii |
| T00526 | rci | Methanocella arvoryzae |
| T00009 | mth | Methanothermobacter thermautotrophicus |
| T01297 | mmg | Methanothermobacter marburgensis |
| T04009 | metc | Methanothermobacter sp. CaT2 |
| T04587 | mwo | Methanothermobacter wolfeii |
| T00313 | mst | Methanosphaera stadtmanae |
| T00539 | msi | Methanobrevibacter smithii |
| T01166 | mru | Methanobrevibacter ruminantium |
| T02687 | meb | Methanobrevibacter sp. AbM4 |
| T04203 | mmil | Methanobrevibacter millerae |
| T04279 | meye | Methanobrevibacter sp. YE315 |
| T04385 | mol | Methanobrevibacter olleyae |
| T01437 | mel | Methanobacterium lacus |
| T01509 | mew | Methanobacterium paludis |
| T02957 | meth | Methanobacterium sp. MB1 |
| T03396 | mfc | Methanobacterium formicicum BRM9 |
| T03743 | mfi | Methanobacterium formicicum DSM1535 |
| T04503 | mcub | Methanobacterium curvum |
| T01351 | mfv | Methanothermus fervidus |
| T00078 | mka | Methanopyrus kandleri |
| T00011 | afu | Archaeoglobus fulgidus DSM 4304 |
| T03231 | afg | Archaeoglobus fulgidus DSM 8774 |
| T01152 | apo | Archaeoglobus profundus |
| T01451 | ave | Archaeoglobus veneficus |
| T02642 | ast | Archaeoglobus sulfaticallidus |
| T01172 | fpl | Ferroglobus placidus |
| T03507 | gac | Geoglobus acetivorans |
| T03939 | gah | Geoglobus ahangari |
| T00038 | hal | Halobacterium salinarum NRC-1 |
| T00662 | hsl | Halobacterium salinarum |
| T03878 | hdl | Halobacterium sp. DL1 |
| T04202 | hhb | Halobacterium hubeiense |
| T01271 | hje | Halalkalicoccus jeotgali |
| T04517 | halh | Haloarchaeon HTSR1 |
| T04550 | hhsr | Haloarchaeon HSR6 |
| T00211 | hma | Haloarcula marismortui |
| T01597 | hhi | Haloarcula hispanica ATCC 33960 |
| T02949 | hhn | Haloarcula hispanica N601 |
| T03645 | hab | Haloarcula sp. CBA1115 |
| T00279 | nph | Natronomonas pharaonis |
| T02478 | nmo | Natronomonas moolapensis |
| T00971 | hut | Halorhabdus utahensis |
| T02781 | hti | Halorhabdus tiamatea |
| T00982 | hmu | Halomicrobium mukohataei |
| T04693 | hali | Halorientalis sp. IM1011 |
| T03927 | hsu | Halanaeroarchaeum sulfurireducens HSR2 |
| T04261 | hsf | Halanaeroarchaeum sulfurireducens M27-SA2 |
| T00375 | hwa | Haloquadratum walsbyi DSM 16790 |
| T01942 | hwc | Haloquadratum walsbyi C23 |
| T01200 | hvo | Haloferax volcanii |
| T02129 | hme | Haloferax mediterranei |
| T04025 | hgi | Haloferax gibbonsii |
| T01359 | hbo | Halogeometricum borinquense |
| T00856 | hla | Halorubrum lacusprofundi |
| T04554 | hsi | Halolamina sediminis |
| T01154 | htu | Haloterrigena turkmenica |
| T04679 | hda | Haloterrigena daqingensis |
| T01176 | nmg | Natrialba magadii |
| T01532 | hxa | Halopiger xanaduensis |
| T02184 | nat | Natrinema sp. J7-2 |
| T02425 | npe | Natrinema pellirubrum |
| T02383 | nge | Natronobacterium gregoryi |
| T02402 | hru | Halovivax ruber |
| T02426 | nou | Natronococcus occultus |
| T02693 | sali | Salinarchaeum sp. Harcht-Bsk1 |
| T03008 | hlr | Halostagnicola larsenii |
| T04669 | hlc | Halobiforma lacisalsi |
| T00037 | tac | Thermoplasma acidophilum |
| T00042 | tvo | Thermoplasma volcanium |
| T00177 | pto | Picrophilus torridus |
| T02713 | fac | Ferroplasma acidarmanus |
| T04783 | fai | Ferroplasma acidiphilum |
| T04682 | cdiv | Cuniculiplasma divulgatum |
| T02532 | tar | Thermoplasmatales archaeon BRNA1 |
| T02624 | max | Candidatus Methanomethylophilus alvus |
| T02692 | mer | Candidatus Methanomassiliicoccus intestinalis Issoire-Mx1 |
| T03540 | mear | Candidatus Methanoplasma termitum |
| T04272 | marc | Methanogenic archaeon ISO4-H5 |
| T00014 | pho | Pyrococcus horikoshii |
| T00024 | pab | Pyrococcus abyssi |
| T00075 | pfu | Pyrococcus furiosus DSM 3638 |
| T02183 | pfi | Pyrococcus furiosus COM1 |
| T01487 | pyn | Pyrococcus sp. NA2 |
| T01543 | pya | Pyrococcus yayanosii |
| T02124 | pys | Pyrococcus sp. ST04 |
| T04365 | pyc | Pyrococcus kukulkanii |
| T00226 | tko | Thermococcus kodakarensis |
| T00789 | ton | Thermococcus onnurineus |
| T00920 | tga | Thermococcus gammatolerans |
| T00928 | tsi | Thermococcus sibiricus |
| T01377 | tba | Thermococcus barophilus |
| T01588 | the | Thermococcus sp. 4557 |
| T01638 | tha | Thermococcus sp. AM4 |
| T02169 | thm | Thermococcus cleftensis |
| T02800 | tlt | Thermococcus litoralis |
| T03005 | ths | Thermococcus paralvinellae |
| T03065 | tnu | Thermococcus nautili |
| T03421 | teu | Thermococcus eurythermalis |
| T04184 | tgy | Thermococcus guaymasensis |
| T04245 | thv | Thermococcus sp. 2319x1 |
| T04536 | tch | Thermococcus chitonophagus |
| T04728 | tpep | Thermococcus peptonophilus |
| T04941 | tpie | Thermococcus piezophilus |
| T03210 | ppac | Palaeococcus pacificus |
| T01180 | abi | Aciduliprofundum boonei |
| T02396 | acf | Aciduliprofundum sp. MAR08-339 |
| T00023 | ape | Aeropyrum pernix |
| T02858 | acj | Aeropyrum camini |
| T00485 | smr | Staphylothermus marinus |
| T01249 | shc | Staphylothermus hellenicus |
| T00587 | iho | Ignicoccus hospitalis |
| T04205 | iis | Ignicoccus islandicus |
| T00817 | dka | Desulfurococcus amylolyticus 1221n |
| T02136 | dfd | Desulfurococcus amylolyticus DSM 16532 |
| T01406 | dmu | Desulfurococcus mucosus |
| T01237 | tag | Thermosphaera aggregans |
| T01307 | iag | Ignisphaera aggregans |
| T02127 | thg | Thermogladius cellulolyticus |
| T00468 | hbu | Hyperthermus butylicus |
| T01620 | pfm | Pyrolobus fumarii |
| T04114 | pdl | Pyrodictium delaneyi |
| T00054 | sso | Sulfolobus solfataricus P2 |
| T02126 | sol | Sulfolobus solfataricus 98/2 |
| T03910 | ssoa | Sulfolobus solfataricus SULA |
| T03911 | ssol | Sulfolobus solfataricus SULB |
| T03912 | ssof | Sulfolobus solfataricus SULC |
| T00062 | sto | Sulfolobus tokodaii |
| T00251 | sai | Sulfolobus acidocaldarius DSM 639 |
| T02452 | sacn | Sulfolobus acidocaldarius N8 |
| T02453 | sacr | Sulfolobus acidocaldarius Ron12/I |
| T02975 | sacs | Sulfolobus acidocaldarius SUSAZ |
| T00889 | sis | Sulfolobus islandicus L.S.2.15 |
| T00890 | sia | Sulfolobus islandicus M.14.25 |
| T00900 | sim | Sulfolobus islandicus M.16.27 |
| T00906 | sid | Sulfolobus islandicus M.16.4 |
| T00901 | siy | Sulfolobus islandicus Y.G.57.14 |
| T00902 | sin | Sulfolobus islandicus Y.N.15.51 |
| T01158 | sii | Sulfolobus islandicus L.D.8.5 |
| T01952 | sih | Sulfolobus islandicus HVE10/4 |
| T01953 | sir | Sulfolobus islandicus REY15A |
| T02620 | sic | Sulfolobus islandicus LAL14/1 |
| T04516 | sula | Sulfolobus sp. A20 |
| T00509 | mse | Metallosphaera sedula |
| T01467 | mcn | Metallosphaera cuprina |
| T01493 | aho | Acidianus hospitalis |
| T04836 | aman | Acidianus manzaensis |
| T00073 | pai | Pyrobaculum aerophilum |
| T00444 | pis | Pyrobaculum islandicum |
| T00483 | pcl | Pyrobaculum calidifontis |
| T00503 | pas | Pyrobaculum arsenaticum |
| T01670 | pyr | Pyrobaculum ferrireducens |
| T01735 | pog | Pyrobaculum oguniense |
| T00682 | tne | Pyrobaculum neutrophilum |
| T04013 | pyw | Pyrobaculum sp. WP30 |
| T00611 | cma | Caldivirga maquilingensis |
| T01460 | tuz | Thermoproteus uzoniensis |
| T01641 | ttn | Thermoproteus tenax |
| T01313 | vdi | Vulcanisaeta distributa |
| T01440 | vmo | Vulcanisaeta moutnovskia |
| T00446 | tpe | Thermofilum pendens |
| T02802 | thb | Thermofilum adornatus |
| T03526 | tcb | Thermofilum carboxyditrophus |
| T03924 | thf | Thermofilum uzonense |
| T01283 | asc | Acidilobus saccharovorans |
| T02380 | clg | Caldisphaera lagunensis |
| T01936 | ffo | Fervidicoccus fontis |
| T00626 | nmr | Nitrosopumilus maritimus |
| T02303 | nir | Candidatus Nitrosopumilus sp. AR2 |
| T03656 | nid | Candidatus Nitrosopumilus piranensis |
| T03758 | nin | Candidatus Nitrosopumilus adriaticus |
| T02304 | nkr | Candidatus Nitrosopumilus koreensis |
| T04846 | nct | Candidatus Nitrosomarinus catalina |
| T01380 | csy | Cenarchaeum symbiosum |
| T02305 | nga | Candidatus Nitrososphaera gargensis |
| T03200 | nvn | Nitrososphaera viennensis |
| T03224 | nev | Candidatus Nitrososphaera evergladensis |
| T04185 | taa | Candidatus Nitrocosmicus oleophilus |
| T02904 | csu | Candidatus Caldiarchaeum subterraneum |
| T03537 | nbv | Candidatus Nitrosopelagicus brevis |
| T03883 | tah | Candidatus Nitrosotenuis cloacae |
| T04889 | ndv | Candidatus Nitrosotalea devanaterra |
| T00152 | neq | Nanoarchaeum equitans |
| T04255 | naa | Candidatus Nanopusillus acidilobi |
| T04498 | nac | Nanohaloarchaea archaeon SG9 |
| T00668 | kcr | Candidatus Korarchaeum cryptofilum |
| T04065 | barc | Bathyarchaeota archaeon BA1 |
| T04066 | barb | Bathyarchaeota archaeon BA2 |
| T04015 | loki | Lokiarchaeum sp. GC14_75 |
| T01603 | hah | Halophilic archaeon DL31 |
| T03835 | agw | Archaeon GW2011_AR10 |
| T03843 | arg | Archaeon GW2011_AR20 |
Organism group: Archaea