Thiospira winogradskyi (Omelianski 1905) Visloukh 1914 (Approved Lists 1980) 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 Gammaproteobacteria Garrity et al. 2005 emend. Williams and Kelly 2013 Thiotrichales Garrity et al. 2005 Beggiatoaceae Migula 1894 (Approved Lists 1980) Thiospira Visloukh 1914 emend. La Rivière 1974 (Approved Lists 1980) Thiospira winogradskyi (Omelianski 1905) Visloukh 1914 (Approved Lists 1980) Thiospira Visloukh 1914 emend. La Rivière 1974 (Approved Lists 1980) Thiospira winogradskyi (Omelianski 1905) Visloukh 1914 (Approved Lists 1980) Visloukh S.M. Spirillum kolkwitzii nov. sp. 1914 1 42 51 Zhurnal Mikrobiologii Zh Mikrobiol