Methanobacterium
unclassified Clostridiales Incertae Sedis XI
unclassified Clostridia
Stenotrophomonas
unclassified Xanthomonadaceae
unclassified Pseudomonadaceae
unclassified Alphaproteobacteria
Azospira
Microvirgula
Thiobacillus
unclassified Betaproteobacteria
Geobacter
unclassified Desulfuromonadales
unclassified Proteobacteria
unclassified Bacteroidetes
unclassified Bacteria