noun. Plural form of halobacterium.

noun. halophiles in saline environments such as the Dead Sea or salt flats

"In the late 1980s a research group in Britain discovered that a group of salt-tolerant microbes called halobacteria could become trapped within rock salt and survive for months at a time in their tiny, briny homes."

halophil  halophile  

cyanobacteria  mycobacteria