[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Thermotogae" Reysenbach 2002 stat. inval. see Phylum Thermotogota Reysenbach 2021
       Class Thermotogae Reysenbach 2002
         Order Thermotogales Reysenbach 2002
           Family Thermotogaceae Reysenbach 2002
             Genus Thermotoga Stetter and Huber 1986
               1 Thermotoga maritima Stetter and Huber 1986
               2 Thermotoga elfii Ravot et al. 1995
               3 Thermotoga hypogea Fardeau et al. 1997
               4 Thermotoga lettingae Balk et al. 2002
               5 Thermotoga naphthophila Takahata et al. 2001
               6 Thermotoga neapolitana Jannasch et al. 1989
               7 Thermotoga petrophila Takahata et al. 2001
               8 Thermotoga subterranea Jeanthon et al. 2000
               9 Thermotoga thermarum Windberger et al. 1992