prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Verrucomicrobia" Hedlund 2011
       Class Opitutae Choo et al. 2007
         Order Puniceicoccales Choo et al. 2007 [monotypic]
           Family Puniceicoccaceae Choo et al. 2007
             Genus Puniceicoccus Choo et al. 2007