petrobacter succinatimandens petrobacter succinatimandens petrobacter succinatimandens is a species of bacteria. it was identified in an australian oil well. as of 2013 it is the only known species of its genus. petrobacter succinatimandens scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: rhodocyclales family: rhodocyclaceae genus: petrobacter species: petrobacter succinatimandens