the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Epsilonproteobacteria (class)
Campylobacterales (order)
Campylobacteraceae (family)
Campylobacteriaceae (alias)
[hide inferior taxa]
Arcobacter (genus)
Campylobacter (genus)
candidatus Arcobacter sulfidicus (species)