Shigella flexneri Castellani and Chalmers 1919 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Enterobacterales family Enterobacteriaceae genus Shigella species Shigella flexneri Name Homonyms Shigella flexneri Shigella flexneri 2a strain 2457T Shigella flexneri 5 strain 8401 Shigella flexneri Castellani and Chalmers 1919