bartonella rattaustraliani bartonella rattaustraliani bartonella rattaustraliani is a bacterium from the genus bartonella which was isolated from the blood of rats from the genus of melomys. bartonella rattaustraliani scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: bartonellaceae genus: bartonella species: b. rattaustraliani binomial name bartonella rattaustralianigundi et al. 2009 type strain bartonella rattiaustraliensis