the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Gammaproteobacteria (class)
Enterobacteriales (order)
Enterobacteriaceae (family)
Shigella (genus)
[hide inferior taxa]
Shigella boydii (species)
Shigella dysenteriae (species)
Shigella flexneri (species)
Shigella sonnei (species)
Shigella sp. (species)