[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 Micrococcineae Stackebrandt et al. 1997 see Order Micrococcales Prévot 1940 (Approved Lists 1980) Family "Beutenbergiaceae" Garrity et al. 2001 nom. ined. see Family Beutenbergiaceae Zhi et al. 2009 Genus Beutenbergia Groth et al. 1999 1 Beutenbergia cavernae Groth et al. 1999