Obesumbacterium proteus Shimwell 1963 (Approved Lists 1980) Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Gammaproteobacteria Garrity et al. 2005 emend. Williams and Kelly 2013 Enterobacterales (Garrity and Holt 2001) Adeolu et al. 2016 Hafniaceae Adeolu et al. 2016 Obesumbacterium Shimwell 1963 (Approved Lists 1980) Obesumbacterium proteus Shimwell 1963 (Approved Lists 1980) Obesumbacterium Shimwell 1963 (Approved Lists 1980) Obesumbacterium proteus Shimwell 1963 (Approved Lists 1980) 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 Spröer C. Mendrock U. Swiderski J. Lang E. Stackebrandt E. The phylogenetic position of Serratia, Buttiauxella and some other genera of the family Enterobacteriaceae 1999 49 4 1433 1438 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-49-4-1433 10555323 Shimwell J.L. Obesumbacterium gen. nov. 1963 99 759 760 Brewers Journal 0096-6614