the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Deltaproteobacteria (class)
[hide inferior taxa]
Bdellovibrionales (order)
Desulfobacterales (order)
Desulfovibrionales (order)
Desulfuromonadales (order)
Myxococcales (order)
Syntrophobacterales (order)