[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Actinobacteria" Garrity and Holt 2001
       Class "Actinobacteria" Stackebrandt et al. 1997
         Subclass Actinobacteridae Stackebrandt et al. 1997 see Class Actinobacteria Stackebrandt et al. 1997
           Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
             Suborder Streptosporangineae Ward-Rainey et al. 1997
               Family Nocardiopsaceae Rainey et al. 1996
                 Genus Thermobifida Zhang et al. 1998
                   1 Thermobifida alba (Locci et al. 1967) Zhang et al. 1998
                   2 Thermobifida cellulosilytica corrig. Kukolya et al. 2002
                   3 Thermobifida fusca (McCarthy and Cross 1984) Zhang et al. 1998