the root (no rank)
Archaea (domain)
Euryarchaeota (phylum)
Methanomicrobia (class)
Methanomicrobiales (order)
Methanosarcinaceae (family)
Methanosarcina (genus)
[hide inferior taxa]
Methanosarcina acetivorans (species)
Methanosarcina barkeri (species)
Methanosarcina frisia (species)
Methanosarcina mazei (species)
Methanosarcina sp. (species)
Methanosarcina thermophila (species)
Methanosarcina vannielli (species)