yersinia artesiana yersinia artesiana yersinia artesiana are short gram-negative rod bacteria in the yersiniaceae family that have been isolated from human stool. yersinia artesiana scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: enterobacterales family: yersiniaceae genus: yersinia species: y. artesiana binomial name yersinia artesianale guern et al. 2020