thioalkalivibrio thiocyanoxidans thioalkalivibrio thiocyanoxidans thioalkalivibrio thiocyanoxidans is a species of alkaliphilic and obligately autotrophic sulfur-oxidizing bacterium. it was first isolated from soda lakes. its type strain is arh 2 (= dsm 13532 = jcm 11368). thioalkalivibrio thiocyanoxidans scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: chromatiales family: ectothiorhodospiraceae genus: thioalkalivibrio species: t. thiocyanoxidans binomial name thioalkalivibrio thiocyanoxidanssorokin et al. 2002