Related how?
Biota
(Life)
Prokaryotes
(Prokaryota)
Archaea
(Archaebacteria)
Euryarchaeota
Methanomicrobia
Methanomicrobiales
Methanospirillaceae (
4044146
)
Children (1 direct children, 5 direct and indirect children):
Methanospirillum
(tree size 4)