Archaea  >  Methanobacteriati  >  Methanobacteriota  >  Methanomicrobia  >  Methanosarcinales

Family	Genus	Species
Candidatus Methanocomedenaceae	2	4
Candidatus Methanogasteraceae	1	5
Candidatus Methanoperedentaceae	1	9
Methanosarcinaceae	12	431
Methermicoccaceae	1	4