Shigella Dataset NCBI Taxonomy Rank GENUS Classification kingdom Pseudomonadati phylum Pseudomonadota class Gammaproteobacteria order Enterobacterales family Enterobacteriaceae genus Shigella Name Synonyms Shigella Castellani and Chalmers 1919 (Approved Lists 1980) Homonyms Shigella Shigella Castellani and Chalmers 1919 (Approved Lists 1980) Shigella phagepSs-1