(Methanomicrobia) (Methanomicrobia) is a biological class of the kingdom Archaea and phylum Euryarchaeota.
Methanocellales
Methanomicrobiales
Methanosarcinales
Archaeoglobi
Halobacteria
Methanobacteria
Methanococci
Methanomicrobia
Methanopyri
Nanohaloarchaea
Thermococci
Thermoplasmata