"Salmonella ballerup" Kauffmann and Mller 1940 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Enterobacterales family Enterobacteriaceae genus Citrobacter species Citrobacter freundii Name Homonyms Salmonella ballerup "Salmonella ballerup" Kauffmann and Mller 1940