Lang, E., Reichenbach, H. (2013). Designation of type strains for seven species of the order <i>Myxococcales</i> and proposal for neotype strains of <i>Cystobacter ferrugineus</i>, <i>Cystobacter minus</i> and <i>Polyangium fumosum</i>. <i> Int J Syst Evol Microbiol </i><b> 63 </b> ( Pt 11 ): 4354-60 .
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Lang, E., Reichenbach, H. (2013). Designation of type strains for seven species of the order <i>Myxococcales</i> and proposal for neotype strains of <i>Cystobacter ferrugineus</i>, <i>Cystobacter minus</i> and <i>Polyangium fumosum</i>. <i> Int J Syst Evol Microbiol </i><b> 63 </b> ( Pt 11 ): 4354-60 .
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(1989). Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 31. <i> Int.J.Syst.Bacteriol. </i><b> 39 </b>: 495-497 .

Lang, E., Reichenbach, H. (2013). Designation of type strains for seven species of the order <i>Myxococcales</i> and proposal for neotype strains of <i>Cystobacter ferrugineus</i>, <i>Cystobacter minus</i> and <i>Polyangium fumosum</i>. <i> Int J Syst Evol Microbiol </i><b> 63 </b> ( Pt 11 ): 4354-60 .
Brockman, E. R., (1989). Genus I. Polyangium Link 1809, 42 <sup>AL</sup>. In <i> Bergey's manual of systematic bacteriology, vol. 4 </i>, pp. 2159-2162. Edited by J. T. Staley, Williams & Wilkins.
(1989). Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 31. <i> Int.J.Syst.Bacteriol. </i><b> 39 </b>: 495-497 .