prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Chloroflexi" Garrity and Holt 2001
       Class Caldilineae Yamada et al. 2006 [monotypic]
         Order Caldilineales Yamada et al. 2006 [monotypic]
           1 Family Caldilineaceae Yamada et al. 2006