''Orenia metallireducens'' is a

halophilic The halophiles, named after the Greek word for "salt-loving", are extremophiles that thrive in high salt concentrations. While most halophiles are classified into the domain Archaea, there are also bacterial halophiles and some eukaryotic species, ...

and metal-reducing bacterium from the genus of ''

Orenia ''Orenia'' is a genus of bacteria from the family of Halobacteroidaceae. Orenia bacteria occurs in saline environments. Phylogeny The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) a ...

'' which has been isolated from

groundwater Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and in the fractures of rock formations. About 30 percent of all readily available freshwater in the world is groundwater. A unit of rock or an unconsolidated ...

from the Illinois Basin.

References

Clostridia Bacteria described in 2016 {{Firmicutes-stub