azoarcus toluvorans azoarcus toluvorans azoarcus toluvorans is a bacterium from the genus of azoarcus. azoarcus toluvorans scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: rhodocyclales family: rhodocyclaceae genus: azoarcus species: a. toluvorans binomial name azoarcus toluvoranssong et al. 1999 type strain atcc 700604, dsm 15124, td21