is a species of the class Methanomicrobia in the family Methanosarcinaceae and order Methanosarcinales.
Methanosarcina acetivorans
Methanosarcina baltica
Methanosarcina barkeri
Methanosarcina horonobensis
Methanosarcina lacustris
Methanosarcina mazei
Methanosarcina semesiae
Methanosarcina siciliae
Methanosarcina thermophila
Methanosarcina vacuolata