8	Bacteria	Bacteroidetes	Alphaproteobacteria	Rickettsiales	mitochondria		
8	Bacteria	Proteobacteria	Clostridia	Clostridiales	Spirochaetaceae	Treponema	
10	Bacteria	Firmicutes	Clostridia	Clostridiales	Erysipelothrix		
5	Bacteria	Proteobacteria	Alphaproteobacteria	Rickettsiales	Pelagibacteraceae