Heliobacterium chlorum Gest and Favinger 1985 Heliobacterium chlorum Gest and Favinger 1985 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Firmicutes (sic) Gibbons and Murray 2021 Bacillota corrig. Gibbons and Murray 2021 Firmacutes (sic) Gibbons and Murray 2021 Clostridia Rainey 2010 Eubacteriales Buchanan 1917 (Approved Lists 1980) emend. Tindall 2019 Heliobacteriaceae Asao and Madigan 2010 Heliobacterium Gest and Favinger 1985 emend. Kyndt et al. 2021 Heliobacterium chlorum Gest and Favinger 1985 Heliobacterium Gest and Favinger 1985 emend. Kyndt et al. 2021 Heliobacterium undosum Bryantseva et al. 2001 Heliobacterium sulfidophilum Bryantseva et al. 2000 Heliobacterium modesticaldum Kimble et al. 1996 Heliobacterium gestii Ormerod et al. 1996 Heliobacterium mobile (Beer-Romero and Gest 1998) Kyndt et al. 2021 Heliobacterium chlorum Gest and Favinger 1985 List Editor Validation List no. 17. Validation of the publication of new names and new combinations previously effectively published outside the IJSB 1985 35 2 223 225 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-35-2-223 Kyndt J.A. Montano Salama D. Meyer T.E. Imhoff J.F. Phylogenetic relationship of phototrophic heliobacteria and systematic reconsideration of species and genus assignments based on genome sequences of eight species. 2021 71 4 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.004729 33881982 Woese C.R. Debrunner-Vossbrinck B.A. Oyaizu H. Stackebrandt E. Ludwig W. Gram-positive bacteria: possible photosynthetic ancestry 1985 229 4715 762 765 Science Magazine Science 0036-8075 1095-9203 10.1126/science.11539659 11539659 Gest H. Favinger J.L. Heliobacterium chlorum, a anoxygenic brownish-green photosynthetic bacterium containing a new form of bacteriochlorophyll. 1983 136 11 16 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/BF00415602 Gest H. Favinger J.L. Heliobacterium chlorum, a anoxygenic brownish-green photosynthetic bacterium containing a new form of bacteriochlorophyll. 1983 136 11 16 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/BF00415602 List Editor Validation List no. 17. Validation of the publication of new names and new combinations previously effectively published outside the IJSB 1985 35 2 223 225 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-35-2-223