Iron Reduction at 121C Former world record for high temperature Relative of Pyrodictium occultum B 30560150 5 0 0 90100110120130 Temperature(C) Kashevi and Lovley.2003.Science 301:934.Iron Reduction at 121°C Former world record for high temperature Relative of Pyrodictium occultum Kashevi and Lovley. 2003. Science 301:934