Domain Bacteria Woese et al. 1990
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   Phylum Chlamydiae Garrity and Holt 2001 see Phylum Chlamydiae Garrity and Holt 2012
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     Class "Chlamydiae" Cavalier-Smith, 2002 see Class Chlamydiae Cavalier-Smith 2002
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       Order Chlamydiales Storz and Page 1971 (Approved Lists 1980)
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         Family Waddliaceae Rurangirwa et al. 1999
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           Genus Waddlia Rurangirwa et al. 1999
          Count: -