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Genus	Species
Aromatoleum	15
Azoarcus	62
Azonexus	19
Azospira	64
Azovibrio	11
Candidatus Dactylopiibacterium	3
Cognatazoarcus	2
Dechlorobacter	2
Dechloromonas	100
Denitromonas	13
Dentiradicibacter	1
Ferribacterium	7
Fluviibacter	2
Nitrogeniibacter	3
Niveibacterium	7
Oryzomicrobium	2
Parazoarcus	1
Pelocola	1
Propionivibrio	17
Pseudazoarcus	1
Pseudothauera	4
Quatrionicoccus	3
Rhodocyclus	8
Thauera	149
Uliginosibacterium	24
Viridibacterium	1
Zoogloea	93