sulfurovum lithotrophicum sulfurovum lithotrophicum sulfurovum lithotrophicum is a species of bacteria, the type species of its genus. it is a sulfur-oxidizing chemolithoautotroph within the ε-proteobacteria isolated from okinawa trough hydrothermal sediments. it is mesophilic and also oxidises thiosulfate. it is a gram-negative, non-motile and coccoid to oval-shaped bacterium. the type strain is 42bktt (=atcc baa-797t =jcm 12117t). sulfurovum lithotrophicum scientific classification domain: bacteria phylum: campylobacterota class: "campylobacteria" order: campylobacterales family: helicobacteraceae genus: sulfurovum species: s. lithotrophicum binomial name sulfurovum lithotrophicuminagaki et al. 2004