thiorhodovibrio winogradskyi thiorhodovibrio winogradskyi thiorhodovibrio winogradskyi is a purple sulfur bacteria, the type species of its genus. its cells are vibrioid-to spirilloid-shaped and motile by means of single polar flagella. it is moderately halophilic, with type strain ssp1 (=dsm 6702). thiorhodovibrio winogradskyi scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: chromatiales family: chromatiaceae genus: thiorhodovibrio species: t. winogradskyi binomial name thiorhodovibrio winogradskyiovermann et al. 1993