The Scientist: Hot-Vent Microbes: Looking Backward In Evolution For Future Uses
- Summary of research into the scientific uses of thermophiles and their heat-tolerant enzymes, such as PCR (polymerase chain reactions), toxic waste cleanup, and biomedical processes. [Free registration required]
- http://www.the-scientist.com/yr1994/may/hotvent_940530.html

Microbe from Depths Takes Life to Hottest Known Limit
- A newly discovered organism thrives near deep-sea ocean vents at temperatures up to 121C, living off dissolved iron. Images, video, and links to related research. Press release from the National Science Foundation.
- http://www.nsf.gov/od/lpa/news/03/pr0384.htm

The Limits to Life Under Dual Extremes of Temperature and Salinity
- Abstract of conference speech on Halothermothrix orenii by Dr. Bharat Patel.
- http://www.physics.mcmaster.ca/cgi-bin/origins/showabs.pl?abs=BPatel

Nevada Hot Springs: Microbial Interactions and Processes
- Research proposal for a study of the ecological functions and implications of CO2 fixation by chemolithoautotrophic alkalithermophilic Crenarchaeota. Includes long list of references.
- http://www.uga.edu/srel/Nevada_Hot_Springs/

Joint Genome Institute: Why Sequence Crenarchaeota?
- Brief discussion of the importance of these deep-sea plankton, and of the benefits to be gained by understanding their genome.
- http://www.jgi.doe.gov/sequencing/why/CSP2005/crenarchaeota.html

Archaeal Diversity
- Summary of research on non-thermophilic Crenarchaea in soil ecology.
- http://www.abdn.ac.uk/~mbi010/Chrenarchaea%20diversity.htm