Taxon DOI
Reinhold-Hurek et al. 1993
Taxonomic Rank
Nomenclatural Taxonomy [1980-2016]
Incertae sedis taxa are placed using SOSCC (Garrity and Lilburn 2008)
Taxon RecordName Record
Boden et al. 2017
Reinhold-Hurek et al. 1993
Springer et al. 1998
Mechichi et al. 2002
Reinhold-Hurek et al. 1993
Anders et al. 1995
Chen et al. 2013
Song et al. 1999
Zhou et al. 1995
Song et al. 1999
None 2015
Digital Object Identifier
Type Status
The taxonomic placement of this genus within the root Universal Root.

  Woese et al. 1990
  Woese et al. 1990
  Garrity et al. 2005
  Garrity et al. 2006 emend. Boden et al. 2017
  Garrity et al. 2006
  Boden et al. 2017
  Reinhold-Hurek et al. 1993

The taxonomy from the rank of class and below is based upon currently published taxonomic opinion. For a complete taxonomy, refer to The Taxonomic Outline of Bacteria and Archaea, Release 7.7.
Taxon Statistics
Based on the method of Garrity and Lilburn (2008).
Microbial Earth
When referring to this Abstract, please use its Digital Object Identifier and cite NamesforLife.
Taxon Abstract for the genus Azoarcus Reinhold-Hurek et al. 1993. NamesforLife, LLC. Retrieved December 12, 2017.
This information was last reviewed on October 7, 2013.


  1. Song B, Häggblom MM, Zhou J, Tiedje JM, Palleroni NJ. Taxonomic characterization of denitrifying bacteria that degrade aromatic compounds and description of Azoarcus toluvorans sp. nov. and Azoarcus toluclasticus sp. nov. Int J Syst Bacteriol 1999; 49:1129-1140. [PubMed].
  2. Boden R, Hutt LP, Rae AW. Reclassification of Thiobacillus aquaesulis (Wood & Kelly, 1995) as Annwoodia aquaesulis gen. nov., comb. nov., transfer of Thiobacillus (Beijerinck, 1904) from the Hydrogenophilales to the Nitrosomonadales, proposal of Hydrogenophilalia class. nov. within the ‘Proteobacteria’, and four new families within the orders Nitrosomonadales and Rhodocyclales. Int J Syst Evol Microbiol 2017; 67:1191-1205. [PubMed].
  3. Anders HJ, Kaetzke A, Kämpfer P, Ludwig W, Fuchs G. Taxonomic position of aromatic-degrading denitrifying pseudomonad strains K 172 and KB 740 and their description as new members of the genera Thauera, as Thauera aromatica sp. nov., and Azoarcus, as Azoarcus evansii sp. nov., respectively, members of the beta subclass of the Proteobacteria. Int J Syst Bacteriol 1995; 45:327-333. [PubMed].
  4. Mechichi T, Stackebrandt E, Gad'on N, Fuchs G. Phylogenetic and metabolic diversity of bacteria degrading aromatic compounds under denitrifying conditions, and description of Thauera phenylacetica sp. nov., Thauera aminoaromaticasp. nov., and Azoarcus buckelii sp. nov. Arch Microbiol 2002; 178:26-35. [PubMed].
  5. Garrity GM, Bell JA, Lilburn TG. Family I. Rhodocyclaceae fam. nov. In: Garrity GM, Brenner DJ, Krieg NR, Staley JT (eds), Bergey's Manual of Systematic Bacteriology, Second Edition, Volume 2, Part C, Springer, New York, 2005, p. 887.
  6. Springer N, Ludwig W, Philipp B, Schink B. Azoarcus anaerobius sp. nov., a resorcinol-degrading, strictly anaerobic, denitrifying bacterium. Int J Syst Bacteriol 1998; 48:953-956. [PubMed].
  7. Reinhold-Hurek B, Hurek T, Gillis M, Hoste B, Vancanneyt M, Kersters K, De Ley J. Azoarcus gen. nov., nitrogen-fixing proteobacteria associated with roots of kallar grass (Leptochloa fusca (L.) Kunth), and description of two species, Azoarcus indigens sp. nov. and Azoarcus communis sp. nov. Int J Syst Bacteriol 1993; 43:574-584.
  8. Zhou J, Fries MR, Chee-Sanford JC, Tiedje JM. Phylogenetic analyses of a new group of denitrifiers capable of anaerobic growth of toluene and description of Azoarcus tolulyticus sp. nov. Int J Syst Bacteriol 1995; 45:500-506. [PubMed].
  9. No reference is available 2015
  10. Chen M-H, Sheu S-Y, James EK, Young C-C, Chen W-M. Azoarcus olearius sp. nov., a nitrogen-fixing bacterium isolated from oil-contaminated soil. Int J Syst Evol Microbiol 2013; 63:3755-3761. [PubMed].
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