Because of<unk>  unique developmental cycle, it was taxonomically classified in a separate order.<unk> is part of the order<unk> es, family<unk> eae. In the early 1990s six species of<unk> were known. A major re-description of the<unk> es order in 1999, using the then new techniques of DNA analysis, split three of the species from the genus<unk> and reclassified them in the then newly created genus Chlamydophila, and also added three new species to this genus. In 2001 many bacteriologists strongly objected to the reclassification, although in 2006 some scientists still supported the distinctness of Chlamydophila. In 2009 the validity of Chlamydophila was challenged by newer DNA analysis techniques, leading to a proposal to "reunite the<unk> eae into a single genus,<unk> . This appears to have been accepted by the community, bringing the number of (valid)<unk> species up to 9. Many probable species were subsequently isolated, but no one bothered to name them. In 2013 a 10th species was added, Ch. ibidis, known only from feral sacred ibis in France. Two more species were added in 2014 (but validated 2015): Ch. avium which infects pigeons and parrots, and Ch. gallinacea infecting chickens, guinea fowl and turkeys. Ch. abortus was added in 2015, and the Chlamydophila species reclassified. A number of new species were originally classified as aberrant strains of Ch. psittaci
Chlamydia 
Logorrhea 
Leukorrhea
Rhinorrhea
Aerobic vaginitis
Trichomoniasis
Genital herpes
Gonorrhea