● Takeuchi M,Hamana K,Hiraishi A (2001). Proposal of the genus Sphingomonas sensu stricto and three new genera, Sphingobium, Novosphingobium and Sphingopyxis, on the basis of phylogenetic and chemotaxonomic analyses.
Int. J. Syst. Evol. Microbiol. 51, 1405-17.
● Balkwill DL,Drake GR,Reeves RH,Fredrickson JK,White DC,Ringelberg DB,Chandler DP,Romine MF,Kennedy DW,Spadoni CM (1997). Taxonomic study of aromatic-degrading bacteria from deep-terrestrial-subsurface sediments and description of Sphingomonas aromaticivorans sp. nov., Sphingomonas subterranea sp. nov., and Sphingomonas stygia sp. nov.
Int. J. Syst. Bacteriol. 47, 191-201.
