Pyrolobus fumarii , gen. and sp. nov., represents a novel group of archaea, extending the upper temperature limit for life to 113�CDoris Hafenbradl, Siegfried Burggraf, Karl O. Stetter et al.|Extremophiles|1997Cited by 540
Archaeoglobus profundus sp. nov., Represents a New Species within the Sulfate-reducing ArchaebacteriaSiegfried Burggraf, Karl O. Stetter, Holger W. Jannasch et al.|Systematic and Applied Microbiology|1990Cited by 219