| MMDBm0001669 | Haloarcula marismortui ATCC 43049 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001671 | Halobacterium sp. NRC-1 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001672 | Halobacterium salinarum R1 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001673 | Haloferax volcanii DS2 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001678 | Haloquadratum walsbyi DSM 16790 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001714 | Ignicoccus hospitalis KIN4/I | Archaea | Crenarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001813 | Metallosphaera sedula DSM 5348 | Archaea | Crenarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001818 | Methanocaldococcus jannaschii DSM 2661 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001833 | Methanocorpusculum labreanum Z | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001839 | Methanoregula boonei 6A8 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001843 | Methanosarcina acetivorans C2A | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001848 | Methanospirillum hungatei JF-1 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001849 | Methanothermobacter thermautotrophicus str. Delta H | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001850 | Methanothermobacter marburgensis str. Marburg | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001926 | Natronomonas pharaonis DSM 2160 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001952 | Aeropyrum pernix K1 | Archaea | Crenarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001953 | Archaeoglobus fulgidus DSM 4304 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0002059 | Cenarchaeum symbiosum A | Archaea | Thaumarchaeota | 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 |
| MMDBm0002642 | Sulfolobus tokodaii str. 7 | Archaea | Crenarchaeota | Not Available | Not Available | RHEA |
| MMDBm0002690 | Thermococcus kodakarensis KOD1 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0002691 | Thermococcus onnurineus NA1 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0002703 | Thermoproteus neutrophilus V24Sta | Archaea | Crenarchaeota | Not Available | Not Available | RHEA |
