Megasphaera elsdenii (Gutierrez et al. 1959) Rogosa 1971 (Approved Lists 1980) Rogosa M. Transfer of Peptostreptococcus elsdenii Gutierrez et al. to a new genus, Megasphaera [M. elsdenii (Gutierrez et al) comb. nov.]. 1971 21 2 187 189 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-21-2-187 Garrity G.M. Nelson O.W. Genome sequences of Bacteria and Archaea published outside of Standards in Genomic Sciences, June - September 2011 2011 5 1 154 167 Standards in Genomic Sciences Stand Genomic Sci 1944-3277 10.4056/sigs.2324675 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