thauera terpenica thauera terpenica thauera terpenica is a gram-negative mesophilic motile bacterium from the genus of thauera. thauera terpenica scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: rhodocyclales family: rhodocyclaceae genus: thauera species: t. terpenica binomial name thauera terpenicafoss and harder 1999 type strain 58eu, ccug 41527, cip 105982, dsm 12139 , harder 58eu