Eukaryotes (228)

 Prokaryotes (2750)

   Bacteria (2585)

   Archaea (165)

     Euryarchaeota (106)

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       Pyrococcus (7)

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       Aciduliprofundum (2)

     Crenarchaeota (50)

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     Nanoarchaeota (1)

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     Unclassified (1)