Roseospirillum parvum Glaeser and Overmann 1999 emend. Hördt et al. 2020 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 Alphaproteobacteria Garrity et al. 2006 Rhodospirillales Pfennig and Trüper 1971 (Approved Lists 1980) emend. Hördt et al. 2020 Rhodospirillaceae Pfennig and Trüper 1971 (Approved Lists 1980) emend. Hördt et al. 2020 Roseospirillum Glaeser and Overmann 2001 Roseospirillum parvum Glaeser and Overmann 1999 emend. Hördt et al. 2020 Roseospirillum Glaeser and Overmann 2001 Roseospirillum parvum Glaeser and Overmann 1999 emend. Hördt et al. 2020 List Editor Validation List no. 80. Validation of publication of new names and new combinations previously effectively published outside the IJSEM. 2001 51 3 793 794 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/00207713-51-3-793 11411699 Glaeser J. Overmann J. Selective enrichment and characterization of Roseospirillum parvum, gen. nov. and sp. nov., a new purple nonsulfur bacterium with unusual light absorption properties. 1999 171 405 416 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/s002030050727 10369896 Glaeser J. Overmann J. Selective enrichment and characterization of Roseospirillum parvum, gen. nov. and sp. nov., a new purple nonsulfur bacterium with unusual light absorption properties. 1999 171 405 416 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/s002030050727 10369896