prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Archaea" Woese et al. 1990
     1 Phylum "Crenarchaeota" Garrity and Holt 2001 [monotypic]
     2 Phylum "Euryarchaeota" Garrity and Holt 2001
     3 Candidate phylum "Korarchaeota" Ludwig and Klenk 2001 [monotypic]
     4 Phylum "Nanoarchaeota" Huber et al. 2002 [monotypic]
     5 Phylum "Thaumarchaeota" Brochier-Armanet et al. 2008 [monotypic]