the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Alphaproteobacteria (class)
Sphingomonadales (order)
Sphingomonadaceae (family)
Erythrobacter (genus)
[hide inferior taxa]
Erythrobacter litoralis (species)
Erythrobacter longus (species)
Erythrobacter sp. (species)