- Acidianus sp.
- Haloarcula sp.
- Haloarcula vallismortis
- Halobactericeae sp.
- Haloterrigena sp.
- Methanobacterium palustre
- Methanobacterium sp.
- Methanobrevibacter oralis
- Methanobrevibacter smithii
- Methanocalculus chunghsingensis
- Methanocalculus taiwanensis
- Methanocella nereidis
- Methanococcoides methylutens
- Methanoculleus caldifontis
- Methanoculleus formosensis
- Methanoculleus frigidifontis
- Methanoculleus methanifontis
- Methanoculleus nereidis
- Methanoculleus oceani
- Methanoculleus sp.
- Methanofollis aquaemaris
- Methanofollis sp.
- Methanofollis tationis
- Methanogenium sp.
- Methanolinea sp.
- Methanolobus chelungpuianus
- Methanolobus sp.
- Methanomassiliicoccus luminyensis
- Methanoplanus problematica
- Methanosarcina acetivorans
- Methanosarcina barkeri
- Methanosarcina mazei
- Methanosarcina sp.
- Methanosarcina thermophila
- Methanosarcina vacuolata
- Methanothrix soehngenii
- Natrinema pallidum
- Natrinema sp.
- Natronomonas pharaonis
- Sulfolobus acidocaldarius
- Sulfolobus solfataricus
- Sulfolobus sp.
- Sulfolobus tokodaii
- Sulfolobus yangmingensis