"Shigella rettgeri" (Hadley et al. 1918) Weldin 1927 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Enterobacterales family Morganellaceae genus Providencia species Providencia rettgeri Name Homonyms Shigella rettgeri "Shigella rettgeri" (Hadley et al. 1918) Weldin 1927