Parachlamydiales Gupta et al. 2016 Parachlamydia 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 Parachlamydiales Gupta et al. 2016 Chlamydiia (Cavalier-Smith 2002) Horn 2016 emend. Gupta et al. 2015 Chlamydiales Storz and Page 1971 (Approved Lists 1980) emend. Gupta et al. 2015 Parachlamydiaceae Everett et al. 1999 Simkaniaceae Everett et al. 1999 Waddliaceae Rurangirwa et al. 1999 Parilichlamydiaceae Stride et al. 2013 Gupta R.S. Naushad S. Chokshi C. Griffiths E. Adeolu M. A phylogenomic and molecular markers based analysis of the phylum Chlamydiae: proposal to divide the class Chlamydiia into two orders, Chlamydiales and Parachlamydiales ord. nov., and emended description of the class Chlamydiia 2015 108 3 765 781 Antonie van Leeuwenhoek 0003-6072 1572-9699 10.1007/s10482-015-0532-1 26179278