the root (no rank)
Bacteria (domain)
Actinobacteria (phylum)
Actinobacteridae (subclass)
Bifidobacteriales (order)
Bifidobacteriaceae (family)
Bifidobacterium (genus)
[hide inferior taxa]
Bifidobacterium adolescentis (species)
Bifidobacterium animalis (species)
Bifidobacterium asteroides (species)
Bifidobacterium bifidum (species)
Bifidobacterium breve (species)
Bifidobacterium catenulatum (species)
Bifidobacterium dentium (species)
Bifidobacterium infantis (species)
Bifidobacterium lactis (species)
Bifidobacterium longum (species)
Bifidobacterium merycicum (species)
Bifidobacterium pseudocatenulatum (species)
Bifidobacterium pseudolongum (species)
Bifidobacterium psychraerophilum (species)
Bifidobacterium pullorum (species)
Bifidobacterium scardovii (species)
Bifidobacterium sp. (species)
Bifidobacterium thermophilum (species)