acidihalobacter prosperus acidihalobacter prosperus acidihalobacter prosperus is a halotolerant and acidophile bacterium from the genus of acidihalobacter which has been isolated from geothermally heated sea sediments near a vulcano in italy. acidihalobacter prosperus scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: chromatiales family: ectothiorhodospiraceae genus: acidihalobacter species: a. prosperus binomial name acidihalobacter prosperuspablo et al. 2015 type strain dsm 5130, jcm 30709 synonyms thiobacillus prosperus huber and stetter 1989