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Medical Definition of Halobacteriaceae
1. A family of extremely halophilic archaea found in environments with high salt concentrations, such as salt lakes, evaporated brines, or salted fish. Halobacteriaceae are either obligate aerobes or facultative anaerobes and are divided into six genera: haloarcula, halobacterium, halococcus, haloferax, natronobacterium, and natronococcus. (12 Dec 1998)