● 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.
● Yabuuchi E,Yano I,Oyaizu H,Hashimoto Y,Ezaki T,Yamamoto H (1990). Proposals of Sphingomonas paucimobilis gen. nov. and comb. nov., Sphingomonas parapaucimobilis sp. nov., Sphingomonas yanoikuyae sp. nov., Sphingomonas adhaesiva sp. nov., Sphingomonas capsulata comb. nov., and two genospecies of the genus Sphingomonas.
Microbiol. Immunol. 34, 99-119.
● Leifson E (1962). The Bacterial Flora of Distilled and Stored Water. III. new species of the genera Corynebacterium, Flavobacterium, Spirillum and Pseudomonas.
Int. Bull. Bacteriol. Nom. Taxon. 12, 161-170.