| MMDBm0000217 | Methanobrevibacter smithii | Archaea | Euryarchaeota | Human Feces | Indirect association between microbiota composition and metabolites measured in host biospecimen | Not Available |
| MMDBm0000559 | Methanocaldococcus jannaschii | Archaea | Euryarchaeota | Not Available | Microbial culture | Not Available |
| MMDBm0000566 | Archaeoglobus fulgidus | Archaea | Euryarchaeota | Not Available | Microbial culture | Not Available |
| MMDBm0000567 | Haloarcula marismortui | Archaea | Euryarchaeota | Not Available | Microbial culture | Not Available |
| MMDBm0000568 | Halobacterium salinarum | Archaea | Euryarchaeota | Not Available | Microbial culture | Not Available |
| MMDBm0000569 | Haloferax volcanii | Archaea | Euryarchaeota | Not Available | Microbial culture | Not Available |
| MMDBm0000570 | Pyrococcus furiosus | Archaea | Euryarchaeota | Not Available | Microbial culture | Not Available |
| MMDBm0000574 | Thermoplasma acidophilum | Archaea | Euryarchaeota | Not Available | Microbial culture | Not Available |
| MMDBm0000727 | Pyrococcus horikoshii | Archaea | Euryarchaeota | Not Available | Microbial culture | Not Available |
| MMDBm0000771 | Picrophilus torridus | Archaea | Euryarchaeota | Not Available | Microbial culture | Not Available |
| MMDBm0001098 | Methanobrevibacter | Archaea | Euryarchaeota | Human Feces | Indirect association between microbiota composition and metabolites measured in host biospecimen | Not Available |
| MMDBm0001669 | Haloarcula marismortui ATCC 43049 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001671 | Halobacterium sp. NRC-1 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001673 | Haloferax volcanii DS2 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001682 | Haloterrigena turkmenica DSM 5511 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001818 | Methanocaldococcus jannaschii DSM 2661 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001823 | Methanocella paludicola SANAE | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001955 | Picrophilus torridus DSM 9790 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001956 | uncultured methanogenic archaeon RC-I | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0002423 | Pyrococcus abyssi GE5 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0002424 | Pyrococcus horikoshii OT3 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0002425 | Pyrococcus furiosus DSM 3638 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0002690 | Thermococcus kodakarensis KOD1 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0002693 | Thermococcus sibiricus MM 739 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0002701 | Thermoplasma acidophilum DSM 1728 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
