18	Bacteria	Proteobacteria	Clostridia	Clostridiales			
19	Bacteria	Proteobacteria	Gammaproteobacteria	Bacteroidales	mitochondria		
5	Bacteria	Proteobacteria	Bacilli	Clostridiales			
6	Bacteria	Firmicutes	Clostridia	Clostridiales	Spirochaetaceae	Treponema	
51	Bacteria	Bacteroidetes	Bacteroidia	Bacteroidales	Ruminococcaceae		
7	Bacteria	Firmicutes	Bacteroidia	Bacteroidales