Desulfurococcus, the genus for which the
order and
family are named, is a strictly anaerobic S
0-reducing bacterium like
Pyrodictium but differs from this organism in that it is much less thermophilic, growing optimally at about 85°C.
Taken from the text Brock Biology of Microorganisms (10th ed.). Madigan, M.T., Martinko, J.M., and Parker, J. 2003. Prentice Hall. 467p.