Chlamydophila Everett et al. 1999 Chlamydophila psittaci (Lillie 1930) Everett et al. 1999 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Chlamydiota corrig. Garrity and Holt 2021 Chlamydiae (sic) Garrity and Holt 2021 non Chlamydiae Cavalier-Smith 2002 Chlamydiia (Cavalier-Smith 2002) Horn 2016 emend. Gupta et al. 2015 Chlamydiales Storz and Page 1971 (Approved Lists 1980) emend. Gupta et al. 2015 Chlamydiaceae Rake 1957 (Approved Lists 1980) emend. Sachse et al. 2015 Chlamydophila Everett et al. 1999 Chlamydiaceae Rake 1957 (Approved Lists 1980) emend. Sachse et al. 2015 Chlamydia Jones et al. 1945 (Approved Lists 1980) emend. Sachse et al. 2015 Amphibiichlamydia Martel et al. 2012 Clavochlamydia Karlsen et al. 2008 Miyagawanella Brumpt 1938 Chlamydophila abortus Everett et al. 1999 Chlamydophila felis Everett et al. 1999 Chlamydophila psittaci (Lillie 1930) Everett et al. 1999 Chlamydophila pneumoniae (Grayston et al. 1989) Everett et al. 1999 Chlamydophila pecorum (Fukushi and Hirai 1992) Everett et al. 1999 Chlamydophila caviae Everett et al. 1999 Everett K.D.E. Bush R.M. Andersen A.A. Emended description of the order Chlamydiales, proposal of Parachlamydiaceae fam. nov. and Simkaniaceae fam. nov., each containing one monotypic genus, revised taxonomy of the family Chlamydiaceae, including a new genus and five new species, and standards for the identification of organisms. 1999 49 2 415 440 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-49-2-415 10319462