[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 Coriobacteridae Stackebrandt et al. 1997 see Class Coriobacteriia König 2013
           Order Coriobacteriales Stackebrandt et al. 1997
             Suborder "Coriobacterineae" Garrity & Holt, 2001
               Family Coriobacteriaceae Stackebrandt et al. 1997
                 Genus Slackia Wade et al. 1999
                   Slackia heliotrinireducens corrig. (Lanigan 1983) Wade et al. 1999