procaryotes Count: - Domain Bacteria Woese et al. 1990 Count: [g] 23p;31c;73o;195f;935g Phylum Aquificae Reysenbach 2001 Count: [g] 1c;1o;1f;5g Class Aquificae Reysenbach 2001 nom. inval. see Class Aquificae Reysenbach 2002 Count: [g] 1o;1f;5g Order Aquificales Reysenbach 2001 nom. inval. see Order Aquificales Reysenbach 2002 Count: [g] 1f;5g Genus Desulfurobacterium L'Haridon et al. 1998 Count: -