| MMDBm0000218 | Methanobrevibacter smithii ATCC 35061 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001182 | Aciduliprofundum boonei T469 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001612 | Ferroglobus placidus DSM 10642 | 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 |
| MMDBm0001678 | Haloquadratum walsbyi DSM 16790 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001681 | Halorubrum lacusprofundi ATCC 49239 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001815 | Methanobacterium sp. AL-21 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001816 | Methanobacterium sp. SWAN-1 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001817 | Methanobrevibacter ruminantium M1 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001818 | Methanocaldococcus jannaschii DSM 2661 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001819 | Methanocaldococcus fervens AG86 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001820 | Methanocaldococcus vulcanius M7 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001821 | Methanocaldococcus sp. FS406-22 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001822 | Methanocaldococcus infernus ME | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001823 | Methanocella paludicola SANAE | 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 |
| MMDBm0001831 | Methanococcus voltae A3 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
