[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 Frankineae Stackebrandt et al. 1997 see Order Frankiales Sen et al. 2014
               Family Acidothermaceae Rainey et al. 1997
                 Genus Acidothermus Mohagheghi et al. 1986
                   1 Acidothermus cellulolyticus Mohagheghi et al. 1986