Procaryotic Genera Count: [*] 25p;39c;84o;215f;1008g [28 May 2016] Domain "Archaea" Woese et al. 1990 Count: [*] 2p;8c;12o;21f;73g [26 May 2016] Phylum Crenarchaeota Garrity and Holt 2001 [monotypic] Count: [*] 1c;3o;5f;23g [26 May 2016] Class Thermoprotei Reysenbach 2001 nom. inval. see Class Thermoprotei Reysenbach 2002 Count: [*] 3o;5f;23g [26 May 2016] Order Desulfurococcales Huber and Stetter 2001 nom. inval. see Order Desulfurococcales Huber and Stetter 2002 Count: [*] 2f;12g [26 May 2016] Family Desulfurococcaceae Zillig and Stetter 1983 Count: [*] 9g [26 May 2016] Genus Sulfophobococcus Hensel et al. 1997 Count: -