10	Bacteria	Proteobacteria	Alphaproteobacteria	Rickettsiales	Pelagibacteraceae		
10	Bacteria	Proteobacteria	Clostridia	Clostridiales	Kordiimonadaceae		
18	Bacteria	Bacteroidetes	Bacilli	Bacteroidales	Prevotellaceae	Prevotella	
17	Bacteria	Proteobacteria	Deltaproteobacteria	Desulfobacterales	Desulfobulbaceae