Zhang, Y. Q., Chen, Y. G., Li, W. J., Tian, X. P., Xu, L. H., Jiang, C. L. (2005). <i>Sphingomonas yunnanensis</i> sp. nov., a novel gram-negative bacterium from a contaminated plate. <i> Int.J.Syst.Evol.Microbiol. </i><b> 55 </b>: 2361-2364 .

Godoy, F., Vancanneyt, M., Martínez, M., Steinbüchel, A., Swings, J., Rehm, B. H. A. (2003). <i>Sphingopyxis chilensis</i> sp. nov., a chlorophenol-degrading bacterium that accumulates polyhydroxyalkanoate, and transfer of <i>Sphingomonas alaskensis</i> to <i>Sphingopyxis alaskensis</i> comb. nov. <i> Int.J.Syst.Evol.Microbiol. </i><b> 53 </b>: 473-477 .
Vancanneyt, M., Schut, F., Snauwaert, C., Goris, J., Swings, J., Gottschal, J. C. (2001). <i>Sphingomonas alaskensis</i> sp. nov., a dominant bacterium from a marine oligotrophic environment. <i> Int.J.Syst.Evol.Microbiol. </i><b> 51 </b>: 73-79 .

Yoon, J. H., Lee, C. H., Yeo, S. H., Oh, T. K. (2005). <i>Sphingopyxis baekryungensis</i> sp. nov., an orange-pigmented bacterium isolated from sea water of the Yellow Sea in Korea. <i> Int.J.Syst.Evol.Microbiol. </i><b> 55 </b>: 1223-1227 .

Yoon, J. H., Oh, T. K. (2005). <i>Sphingopyxis flavimaris</i> sp. nov., isolated from sea water of the Yellow Sea in Korea. <i> Int.J.Syst.Evol.Microbiol. </i><b> 55 </b>: 369-373 .

(2011). List of new names and new combinations previously effectively, but not validly, published. <i> Int J Syst Evol Microbiol </i><b> 61 </b> ( Pt 11 ): 2563-2565 .
Kim, M. K., Im, W. T., Ohta, H., Lee, M., Lee, S. T. (2005). <i>Sphingopyxis granuli</i> sp. nov., a beta-glucosidase-producing bacterium in the family <i>Sphingomonadaceae</i> in alpha-4 subclass of the <i>Proteobacteria</i>. <i> J Microbiol </i><b> 43 </b> ( 2 ): 152-157 .

Yabuuchi, E., Kosako, Y., Fujiwara, N., Naka, T., Matsunaga, I., Ogura, H., Kobayashi, K. (2002). Emendation of the genus <i>Sphingomonas</i> Yabuuchi <i>et al</i>. 1990 and junior objective synonymy of the species of three genera, <i>Sphingobium</i>, <i>Novosphingobium</i> and <i>Sphingopyxis</i>, in conjunction with <i>Blastomonas ursincola</i>. <i> Int.J.Syst.Evol.Microbiol. </i><b> 52 </b>: 1485-1496 .
Takeuchi, M., Hamana, K., Hiraishi, A. (2001). Proposal of the genus <i>Sphingomonas</i> sensu stricto and three new genera, <i>Sphingobium</i>, <i>Novosphingobium</i> and <i>Sphingopyxis</i>, on the basis of phylogenetic and chemotaxonomic analyses. <i> Int.J.Syst.Evol.Microbiol. </i><b> 51 </b>: 1405-1417 .
Takeuchi, M., Kawai, F., Shimada, Y., Yokota, A. (1993). Taxonomic study of polyethylene glycol-utilizing bacteria: emended description of the genus <i>Sphingomonas</i> and new descriptions of <i>Sphingomonas macrogoltabidus</i> sp. nov., <i>Sphingomonas sanguis</i> sp. nov., and <i>Sphingomonas terrae</i> sp. nov. <i> Syst.Appl.Microbiol. </i><b> 16 </b>: 227-238 .
(1993). Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 47. <i> Int.J.Syst.Bacteriol. </i><b> 43 </b>: 864-865 .