| MMDBm0000104 | Candidatus Methanomassiliicoccus intestinalis Issoire-Mx1 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| 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 |
| MMDBm0001681 | Halorubrum lacusprofundi ATCC 49239 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001818 | Methanocaldococcus jannaschii DSM 2661 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001824 | Methanococcoides burtonii DSM 6242 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001825 | Methanococcus maripaludis S2 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001826 | Methanococcus maripaludis C5 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001827 | Methanococcus vannielii SB | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001828 | Methanococcus aeolicus Nankai-3 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001829 | Methanococcus maripaludis C7 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001830 | Methanococcus maripaludis C6 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001833 | Methanocorpusculum labreanum Z | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001835 | Methanohalobium evestigatum Z-7303 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001836 | Methanohalophilus mahii DSM 5219 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001838 | Methanopyrus kandleri AV19 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001842 | Methanosalsum zhilinae DSM 4017 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001843 | Methanosarcina acetivorans C2A | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001847 | Methanosphaerula palustris E1-9c | 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 |
| MMDBm0001954 | Pyrobaculum aerophilum str. IM2 | Archaea | Crenarchaeota | Not Available | Not Available | RHEA |
