Aquaspirillum giesbergeri (Williams and Rittenberg 1957) Hylemon et al. 1973 (Approved Lists 1980) Giesbergeria giesbergeri (Williams and Rittenberg 1957) Grabovich et al. 2006 Grabovich M. Gavrish E. Kuever J. Lysenko A.M. Podkopaeva D. Dubinina G. Proposal of Giesbergeria voronezhensis gen. nov., sp. nov. and G. kuznetsovii sp. nov. and reclassification of [Aquaspirillum] anulus, [A.] sinuosum and [A.] giesbergeri as Giesbergeria anulus comb. nov., G. sinuosa comb. nov. and G. giesbergeri comb. nov., and [Aquaspirillum] metamorphum and [A.] psychrophilum as Simplicispira metamorpha gen. nov., comb. nov. and S. psychrophila comb. nov. 2006 56 3 569 576 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64027-0 16514029