the root (no rank)
Archaea (domain)
Euryarchaeota (phylum)
Methanomicrobia (class)
Methanomicrobiales (order)
[hide inferior taxa]
Methanocorpusculum (genus)
Methanomicrobiaceae (family)
Methanosarcinaceae (family)
uncultured Methanomicrobiales archaeon (species)