Pierson, B. K., Castenholz, R. W. (1974). A phototrophic gliding filamentous bacterium of hot springs, <i>Chloroflexus aurantiacus</i>, gen. and sp. nov. <i> Arch.Mikrobiol. </i><b> 100 </b>: 5-24 .

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 .
Thaxter, R. (1897). Further observations on the <i>Myxobacteriaceae</i>. <i> Bot.Gaz. </i><b> 23 </b>: 395-411 .
Reichenbach, H., (2005). Genus III. <i>Chondromyces</i> Berkeley and Curtis in Berkeley 1874, 64<sup>AL</sup>. In <i> Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2.(The </i><i>Proteobacteria</i>), part C (The <i>Alpha</i>-, <i>Beta</i>-, <i>Delta</i>-, and <i>Epsilonproteobacteria</i>) , pp. 1121-1129. Edited by D. J. Brenner, Springer Verlag.

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 .
Berkeley, M. J., Curtis, M. A. (1874). Notices of the North American Fungi. <i> Grevillea </i><b> 3 </b>: 49-64 .
Reichenbach, H., (2005). Genus III. <i>Chondromyces</i> Berkeley and Curtis in Berkeley 1874, 64<sup>AL</sup>. In <i> Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2.(The </i><i>Proteobacteria</i>), part C (The <i>Alpha</i>-, <i>Beta</i>-, <i>Delta</i>-, and <i>Epsilonproteobacteria</i>) , pp. 1121-1129. Edited by D. J. Brenner, Springer Verlag.

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 .
Kofler, L. (1913). Die Myxobacterien der Umgebung von Wien. <i> Sitzungsber.Akad.Wissensch.Wien.Math.-nat.Klasse Abt.I </i><b> 122 </b>: 845-876 .
Reichenbach, H., (2005). Genus III. <i>Chondromyces</i> Berkeley and Curtis in Berkeley 1874, 64<sup>AL</sup>. In <i> Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2.(The </i><i>Proteobacteria</i>), part C (The <i>Alpha</i>-, <i>Beta</i>-, <i>Delta</i>-, and <i>Epsilonproteobacteria</i>) , pp. 1121-1129. Edited by D. J. Brenner, Springer Verlag.