
In taxonomy, Pyrodictium is a genus of the Pyrodictiaceae. It is a genus of submarine hyperthermophilic archaea whose optimal growth temperature ranges is 80 to 105 °C. They have a unique cell structure involving a network of cannulae and flat, disk-shaped cells. Pyrodictium are found in the porous walls of deep-sea vents where the temperatures i...
Found on
http://en.wikipedia.org/wiki/Pyrodictium

(from the article `bacteria`) ...Most striking was the discovery in the mid-1980s of bacteria and archaea in nutrient-rich, extremely hot hydrothermal vents on the deep seafloor. ...
Found on
http://www.britannica.com/eb/a-z/p/137
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