the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Deltaproteobacteria (class)
Desulfovibrionales (order)
Desulfovibrionaceae (family)
Desulfovibrio (genus)
Desulfovibrio vulgaris (species)
Desulfovibrio vulgaris vulgaris (subspecies)
[hide inferior taxa]