Proteus inconstans (Ornstein 1920) Shaw and Clarke 1955 (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 Morganellaceae Adeolu et al. 2016 Proteus Hauser 1885 (Approved Lists 1980) emend. Hyun et al. 2016 Proteus inconstans (Ornstein 1920) Shaw and Clarke 1955 (Approved Lists 1980) Proteus Hauser 1885 (Approved Lists 1980) emend. Hyun et al. 2016 Proteus sp. None 2015 Proteus rettgeri (Hadley et al. 1918) Rustigian and Stuart 1943 (Approved Lists 1980) Proteus myxofaciens Cosenza and Podgwaite 1966 (Approved Lists 1980) Proteus morganii (Winslow et al. 1919) Yale 1939 (Approved Lists 1980) pro synon. Morganella morganii (Winslow et al. 1919) Fulton 1943 (Approved Lists 1980) Proteus vulgaris Hauser 1885 (Approved Lists 1980) Proteus terrae Behrendt et al. 2016 Proteus penneri Hickman et al. 1983 Proteus hauseri O'Hara et al. 2000 Proteus mirabilis Hauser 1885 (Approved Lists 1980) Proteus cibarius Hyun et al. 2016 Proteus columbae Dai et al. 2018 Proteus alimentorum Dai et al. 2018 Proteus faecis Dai et al. 2019 Proteus cibi Dai et al. 2019 Providencia alcalifaciens (de Salles Gomes 1944) Ewing 1962 (Approved Lists 1980) pro synon. Proteus inconstans (Ornstein 1920) Shaw and Clarke 1955 (Approved Lists 1980) Proteus inconstans (Ornstein 1920) Shaw and Clarke 1955 (Approved Lists 1980) Dauga C. Evolution of the gyrB gene and the molecular phylogeny of Enterobacteriaceae: a model molecule for molecular systematic studies 2002 52 2 531 547 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.01926-0 11931166 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 Liolios K. Chen I.M. Mavromatis K. Tavernarakis N. Hugenholtz P. Markowitz V.M. Kyrpides N.C. The Genomes On Line Database (GOLD) in 2009: status of genomic and metagenomic projects and their associated metadata 2010 38 D346 354 Nucleic Acids Research Nucleic Acids Res. 0305-1048 1362-4962 10.1093/nar/gkp848 19914934 Shaw C. Clarke P.H. Biochemical classification of Proteus and Providence cultures. 1955 13 155 161 Journal of General Microbiology J Gen Microbiol 0022-1287 10.1099/00221287-13-1-155 13252224