Eukaryotes (190)
Prokaryotes (2477)
Bacteria (2324)
Archaea (153)
Euryarchaeota (98)
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Methanocella (3)
mpd Methanocella paludicola mez Methanocella conradii HZ254 rci Methanocella arvoryzae
Methanothermobacter (2)
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Crenarchaeota (47)
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Unclassified (1)