Yersinia frederiksenii Ursing et al. 1981 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Enterobacterales family Yersiniaceae genus Yersinia species Yersinia frederiksenii Name Homonyms Yersinia frederiksenii Yersinia frederiksenii Ursing et al. 1981