Related how?
Biota
(Life)
Prokaryotes
(Prokaryota)
Bacteria
(Bacterium)
Posibacteria
Firmicutes
(Gram-positive bacteria)
Clostridia
Clostridiales
Heliobacteria
(Heliobacteriaceae)
Heliobacterium
Heliobacterium sulfidophilum (
3784575
)