24	Bacteria	Proteobacteria	Alphaproteobacteria	Rickettsiales	mitochondria		
188	Bacteria	Proteobacteria	Clostridia	Clostridiales			
7	Bacteria	Proteobacteria	Clostridia	Clostridiales			
4	Bacteria	Firmicutes	Clostridia	Clostridiales	Clostridiaceae	Clostridium	
6	Bacteria	Bacteroidetes	Bacteroidia	Bacteroidales	mitochondria