[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
             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