the root (no rank)
Bacteria (domain)
Chlamydiae (phylum)
Chlamydiales (order)
Chlamydiaceae (family)
Chlamydia (genus)
[hide inferior taxa]
Chlamydia abortus (species)
Chlamydia pecorum (species)
Chlamydia pneumoniae (species)
Chlamydia psittaci (species)
Chlamydia suis (species)
Chlamydia trachomatis (species)