Rhodospirillum mediosalinum Imhoff et al. 1998 Rhodospirillum mediosalinum Imhoff et al. 1998 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 Rhodospirillum Molisch 1907 (Approved Lists 1980) emend. Lakshmi et al. 2014 Rhodospirillum mediosalinum Imhoff et al. 1998 Rhodospirillum Molisch 1907 (Approved Lists 1980) emend. Lakshmi et al. 2014 Rhodospirillum molischianum Giesberger 1947 (Approved Lists 1980) Rhodospirillum rubrum (Esmarch 1887) Molisch 1907 (Approved Lists 1980) emend. Hördt et al. 2020 Rhodospirillum fulvum van Niel 1944 (Approved Lists 1980) Rhodospirillum salexigens Drews 1982 Rhodospirillum tenue Pfennig 1969 (Approved Lists 1980) Rhodospirillum salinarum Nissen and Dundas 1985 Rhodospirillum photometricum Molisch 1907 (Approved Lists 1980) Rhodospirillum centenum Favinger et al. 1994 Rhodospirillum sodomense Mack et al. 1996 Rhodospirillum sulfurexigens Anil Kumar et al. 2008 Rhodospirillum oryzae Lakshmi et al. 2013 Rhodospirillum mediosalinum Imhoff et al. 1998 Imhoff J.F. Petri R. Süling J. Reclassification of species of the spiral-shaped phototrophic purple non-sulfur bacteria of the α-Proteobacteria: description of the new genera Phaeospirillum gen. nov., Rhodovibrio gen. nov., Rhodothalassium gen. nov. and Roseospira gen. nov. as well as transfer of Rhodospirillum fulvum to Phaeospirillum fulvum comb. nov., of Rhodospirillum molischianum to Phaeospirillum molischianum comb. nov., of Rhodospirillum salinarum to Rhodovibrio salinarum comb, nov., of Rhodospirillum sodomense to Rhodovibrio sodomensis comb. nov., of Rhodospirillum salexigens to Rhodothalassium salexigens comb. nov. and of Rhodospirillum mediosalinum to Roseospira mediosalina comb. nov. 1998 48 3 793 798 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-48-3-793 9734033 Roseospira mediosalina Imhoff et al. 1998 Imhoff J.F. Petri R. Süling J. Reclassification of species of the spiral-shaped phototrophic purple non-sulfur bacteria of the α-Proteobacteria: description of the new genera Phaeospirillum gen. nov., Rhodovibrio gen. nov., Rhodothalassium gen. nov. and Roseospira gen. nov. as well as transfer of Rhodospirillum fulvum to Phaeospirillum fulvum comb. nov., of Rhodospirillum molischianum to Phaeospirillum molischianum comb. nov., of Rhodospirillum salinarum to Rhodovibrio salinarum comb, nov., of Rhodospirillum sodomense to Rhodovibrio sodomensis comb. nov., of Rhodospirillum salexigens to Rhodothalassium salexigens comb. nov. and of Rhodospirillum mediosalinum to Roseospira mediosalina comb. nov. 1998 48 3 793 798 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-48-3-793 9734033 Page 38 of Bergey's Manual of Systematic Bacteriology Second edition, Volume 2 shows that this name was proposed by Kompantseva and Gorlenko (1984) but never validly published