Methanohalobium

In taxonomy, Methanohalobium is a genus of the Methanosarcinaceae. Its genome has been sequenced. The genus contains one species, M. evestigatum.

The species are strictly anaerobic and live solely through the production of methane through the reduction of carbon dioxide with hydrogen or using methyl compounds as substrates. These species are only somewhat halophilic but extremely thermophilic.