Clostridium sporosphaeroides Soriano and Soriano 1948 (Approved Lists 1980) Ruminiclostridium sporosphaeroides (Soriano and Soriano 1948) Yutin and Galperin 2013 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