Archangium gephyra Jahn 1924 (Approved Lists 1980) emend. Lang et al. 2015 Skerman V.B.D. McGowan V. Sneath P.H.A. Approved Lists of Bacterial Names 1980 30 1 225 420 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-30-1-225 Shimkets L. Woese C.R. A phylogenetic analysis of the myxobacteria: basis for their classification 1992 89 9459 9463 Proceedings of the National Academy of Sciences of the United States of America Proc Natl Acad Sci U S A 0027-8424 1091-6490 1384053