[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 Phylum "Thermotogae" Reysenbach 2001 Class Thermotogae Reysenbach 2002 Order Thermotogales Reysenbach 2002 Family Thermotogaceae Reysenbach 2002 1 Genus Thermotoga Stetter and Huber 1986 2 Genus Fervidobacterium Patel et al. 1985 3 Genus Geotoga Davey et al. 1993 4 Genus Marinitoga Wery et al. 2001 5 Genus Petrotoga Davey et al. 1993 6 Genus Thermosipho Huber et al. 1989