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Maximum-Likelihood phylogenetic tree of the Euryarcheota showing clades found in terrestrial CBIS post-impact sediment. The tree was rooted with Cenarchaeum symbiosum as a representative of the deeply branched group “Thaumarcheota.” SAGMEG, South African Gold Mine Group, DHVE6, Deep Sea Hydrothermal Vent Euryarchaeotal Group 6.
