acidianus sulfidivorans acidianus sulfidivorans acidianus sulfidivorans is a species of archaeon. it is an extremely thermoacidophilic, obligately chemolithotrophic archaeon. it was first isolated from a solfatara on lihir island. its cells are non-motile, gram-negative, irregular-shaped cocci, 0.5-1.5 micrometres in size. it oxidises sulphur. the type strain is jp7(t) (=dsm 18786(t)=jcm 13667(t)). acidianus sulfidivorans scientific classification domain: archaea phylum: thermoproteota class: thermoprotei order: sulfolobales family: sulfolobaceae genus: acidianus species: a. sulfidivorans binomial name acidianus sulfidivoransplumb et al., 2007