the root (no rank)
Bacteria (domain)
Fusobacteria (class)
Fusobacterales (order)
Fusobacteriaceae (family)
Fusobacterium (genus)
[hide inferior taxa]
Fusobacterium canifelinum (species)
Fusobacterium mortiferum (species)
Fusobacterium necrophorum (species)
Fusobacterium nucleatum (species)
Fusobacterium periodonticum (species)
Fusobacterium simiae (species)