Methanobacteria
[es] Methanobacteria
[fr] Methanobacteria
[gl] Metanobacterias
[hu] Methanobacteria
[id] Methanobacteria
[it] Methanobacteria
[ja] メタノバクテリウム綱
[ko] 메타노박테리아
[ru] Methanobacteria
[sv] Methanobacteria