the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Gammaproteobacteria (class)
Pasteurellales (order)
Pasteurellaceae (family)
Actinobacillus (genus)
Actinobacillus equuli (species)
[hide inferior taxa]
Actinobacillus equuli equuli (subspecies)
Actinobacillus equuli haemolyticus (subspecies)