Archangium violaceum (Reichenbach 2007) Lang et al. 2015 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Myxococcota Waite et al. 2021 Myxococcia Waite et al. 2020 Myxococcales Tchan et al. 1948 (Approved Lists 1980) emend. Waite et al. 2020 Archangiaceae Jahn 1924 (Approved Lists 1980) emend. Lang et al. 2015 Archangium Jahn 1924 (Approved Lists 1980) emend. Awal et al. 2017 Archangium violaceum (Reichenbach 2007) Lang et al. 2015 Archangium Jahn 1924 (Approved Lists 1980) emend. Awal et al. 2017 Archangium gephyra Jahn 1924 (Approved Lists 1980) emend. Lang et al. 2015 Archangium minus (Krzemieniewska and Krzemieniewski 1926) Lang et al. 2015 Archangium disciforme (Thaxter 1904) Lang et al. 2015 Archangium violaceum (Reichenbach 2007) Lang et al. 2015 Cystobacter violaceus (ex Kühlwein and Gallwitz 1958) Reichenbach 2007 Euzéby J. Validation List No. 115. List of new names and new combinations previously effectively, but not validly, published 2007 57 5 893 897 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65207-0 17473228 Lang E. Schumann P. Tindall B.J. Mohr K.I. Spröer C. Reclassification of Angiococcus disciformis, Cystobacter minus and Cystobacter violaceus as Archangium disciforme comb. nov., Archangium minus comb. nov. and Archangium violaceum comb. nov., unification of the families Archangiaceae and Cystobacteraceae, and emended descriptions of the families Myxococcaceae and Archangiaceae 2015 65 11 4032 4042 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.000533 26286530