| fusobacterium equinum | species | bacteria | bacteria | species | 134605 |
| fusobacterium gonidiaformans | species | bacteria | bacteria | species | 849 |
| fusobacterium gonidiaformans atcc 25563 | no rank | bacteria | bacteria | no rank | 469615 |
| fusobacterium hwasookii | species | | | species | 1583098 |
| fusobacterium hwasookii chdc f128 | no rank | | | no rank | 1216362 |
| fusobacterium hwasookii chdc f145 | no rank | | | no rank | 1307441 |
| fusobacterium hwasookii chdc f174 | no rank | | | no rank | 1307442 |
| fusobacterium hwasookii chdc f206 | no rank | | | no rank | 1307443 |
| fusobacterium hwasookii chdc f300 | no rank | | | no rank | 1307444 |
| fusobacterium mortiferum | species | bacteria | bacteria | species | 850 |