Spirillum winogradskyi Podkopaeva et al. 2009 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Betaproteobacteria Garrity et al. 2006 emend. Boden et al. 2017 Nitrosomonadales Garrity et al. 2006 emend. Boden et al. 2017 Spirillaceae Migula 1894 (Approved Lists 1980) Spirillum Ehrenberg 1832 (Approved Lists 1980) emend. Podkopaeva et al. 2009 Spirillum winogradskyi Podkopaeva et al. 2009 Spirillum Ehrenberg 1832 (Approved Lists 1980) emend. Podkopaeva et al. 2009 Spirillum volutans Ehrenberg 1832 (Approved Lists 1980) Spirillum kriegii Podkopaeva et al. 2006 Spirillum winogradskyi Podkopaeva et al. 2009 Podkopaeva D. Grabovich M. Kuever J. Lysenko A.M. Tourova T.P. Kolganova T.V. Dubinina G. Proposal of Spirillum winogradskyi sp. nov., a novel microaerophilic species, an emended description of the genus Spirillum and Request for an Opinion regarding the status of the species Spirillum volutans Ehrenberg 1832 2009 59 11 2916 2920 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.009605-0 19625415 Podkopaeva D. Grabovich M. Kuever J. Lysenko A.M. Tourova T.P. Kolganova T.V. Dubinina G. Proposal of Spirillum winogradskyi sp. nov., a novel microaerophilic species, an emended description of the genus Spirillum and Request for an Opinion regarding the status of the species Spirillum volutans Ehrenberg 1832 2009 59 11 2916 2920 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.009605-0 19625415