Children (17 direct children, 17 direct and indirect children):
Methanosarcina acetivorans
Methanosarcina barkeri
Methanosarcina thermophila
M. thermophila
Methanosarcina baltica
Methanosarcina siciliae
Methanosarcina mazei
Methanosarcina vacuolata
Methanosarcina methanica
Methanosarcina horonobensis
Methanosarcina lacustris
Methanosarcina semesiae
Methanosarcina frisia
Methanosarcina soligelidi
Methanosarcina spelaei
Methanosarcina subterranea
Methanosarcina calensis
Methanosarcina flavescens