Yabuuchi, E. I., Yano, H., Oyaizu, Y., Hashimoto, T., Zaki, E., Yamamoto, H. (1990). Proposals of <i>Sphingomonas</i> <i>paucimobilis</i> gen. nov. and comb. nov., <i>Sphingomonas</i> <i>parapaucimobilis</i> sp. nov. <i>Sphingomonas</i> <i>yanoikuyae</i> sp. nov., <i>Sphingomonas</i> <i>adhaesiva</i> sp. nov., <i>Sphingomonas</i> <i>capsulata</i> comb. nov. and two genospecies of the genus <i>Sphingomonas</i>. <i> Microbiol.Immunol. </i><b> 34 </b>: 99-119 .
(1990). Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 34. <i> Int.J.Syst.Bacteriol. </i><b> 40 </b>: 320-321 .

Busse, H. J., Denner, E. B. M., Buczolits, S., Salkinoja-Salonen, M., Bennasar, A., Kämpfer, P. (2003). <i>Sphingomonas aurantiaca</i> sp. nov., <i>Sphingomonas aerolata</i> sp. nov. and <i>Sphingomonas faeni</i> sp. nov., air- and dustborne and Antarctic, orange-pigmented, psychrotolerant bacteria, and emended description of the genus <i>Sphingomonas</i>. <i> Int.J.Syst.Evol.Microbiol. </i><b> 53 </b>: 1253-1260 .

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 .

Lee, J. S., Shin, Y. K., Yoon, J. H., Takeuchi, M., Pyan, Y. R., Park, Y. H. (2001). <i>Sphingomonas aquatilis</i> sp. nov., <i>Sphingomonas koreensis</i> sp. nov. and <i>Sphingomonas taejonensis</i> sp. nov., yellow-pigmented bacteria isolated from natural mineral water. <i> Int.J.Syst.Evol.Microbiol. </i><b> 51 </b>: 1491-1498 .

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 .
Balkwill, D. L., Drake, G. R., Reeves, R. H., Fredrickson, J. K., White, D. C., Ringelberg, D. G., Chandler, D. P., Romine, M. F., Kennedy, D. W., Spadoni, C. M. (1997). Taxonomic study of aromatic-degrading bacteria from deep-terrestrial-subsurface sediments and description of <i>Sphingomonas aromaticivorans</i> sp. nov., <i>Sphingomonas subterranea</i> sp. nov., and <i>Sphingomonas stygia </i>sp. nov. <i> Int.J.Syst.Bacteriol. </i><b> 47 </b>: 191-201 .