bartonella phoceensis bartonella phoceensis bartonella phoceensis is a bacterium from the genus bartonella which was isolated from the blood of the rat rattus norvegicus. bartonella phoceensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: bartonellaceae genus: bartonella species: b. phoceensis binomial name bartonella phoceensisgundi et al. 2004