thauera thauera thauera is a genus of gram-negative bacteria in the family zoogloeaceae of the order rhodocyclales of the betaproteobacteria. the genus is named for the german microbiologist rudolf thauer. most species of this genus are motile by flagella and are mostly rod-shaped. the species occur in wet soil and polluted freshwater. thauera scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: rhodocyclales family: zoogloeaceae genus: thaueramacy et al. 1993 type species thauera selenatis species see text species the genus includes the following species: t. aminoaromatica t. aromatica t. butanivorans t. chlorobenzoica t. humireducens t. linaloolentis t. mechernichensis t. phenylacetica t. propionica t. selenatis t. terpenica