the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Deltaproteobacteria (class)
Desulfobacterales (order)
Desulfobulbaceae (family)
[hide inferior taxa]
Desulfobulbus (genus)
Desulfocapsa sulfexigens (species)
Desulfocapsa thiozymogenes (species)
Desulfofustis glycolicus (species)
Desulforhopalus singaporensis (species)
Desulforhopalus sp. (species)