| MMDBm0000218 | Methanobrevibacter smithii ATCC 35061 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0000733 | Aeropyrum pernix | Archaea | Crenarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001366 | Caldivirga maquilingensis IC-167 | Archaea | Crenarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001421 | Chitinophaga pinensis DSM 2588 | Bacteria | Bacteroidetes | Not Available | Not Available | RHEA |
| MMDBm0001615 | Flavobacterium johnsoniae UW101 | Bacteria | Bacteroidetes | 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 |
| MMDBm0001702 | Herpetosiphon aurantiacus DSM 785 | Bacteria | Chloroflexi | Not Available | Not Available | RHEA |
| MMDBm0001709 | Hyperthermus butylicus DSM 5456 | Archaea | Crenarchaeota | 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 |
| 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 |
| MMDBm0001834 | Methanoculleus marisnigri JR1 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001838 | Methanopyrus kandleri AV19 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
| MMDBm0001839 | Methanoregula boonei 6A8 | Archaea | Euryarchaeota | Not Available | Not Available | RHEA |
