Chlamydiales Storz and Page 1971 (Approved Lists 1980) emend. Gupta et al. 2015 Dataset NCBI Taxonomy Classification phylum Chlamydiota class Chlamydiia order Chlamydiales Name Homonyms Chlamydiales Chlamydiales Storz and Page 1971 (Approved Lists 1980) emend. Gupta et al. 2015 Chlamydiales Storz and Page 1971 (Approved Lists 1980) emend. Everett et al. 1999