Position in a system
| system | Vitae - living organisms |
| domain | Bacteria (Haeckel, 1894) Woese, Kandler Wheelis, 1990 - bacterians |
| phylum | Chlamydiae Garrity & Holt, 2012 |
| class | Chlamydiae Cavalier-Smith, 2002 |
| order | Chlamydiales Storz & Page, 1971 |
| family | Chlamydiaceae Rake, 1957 |