Waddlia Rurangirwa et al. 1999 Waddlia chondrophila Rurangirwa et al. 1999 emend. García-López et al. 2019 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 Waddliaceae Rurangirwa et al. 1999 Waddlia Rurangirwa et al. 1999 Waddliaceae Rurangirwa et al. 1999 Waddlia chondrophila Rurangirwa et al. 1999 emend. García-López et al. 2019 Rurangirwa F.R. Dilbeck P.M. Crawford T.B. McGuire T.C. McElwain T.F. Analysis of the 16S rRNA gene of micro-organism WSU 86-1044 from an aborted bovine foetus reveals that it is a member of the order Chlamydiales: proposal of Waddliaceae fam. nov., Waddlia chondrophila gen. nov., sp. nov. 1999 49 2 577 581 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-49-2-577 10319478