Proteus rettgeri Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Enterobacterales family Morganellaceae genus Providencia species Providencia rettgeri Name Homonyms Proteus rettgeri Proteus rettgeri (Hadley et al. 1918) Rustigian and Stuart 1943 (Approved Lists 1980)