[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 Streptosporangiaceae Goodfellow et al. 1990
                 Genus Microtetraspora Thiemann et al. 1968 (Approved Lists 1980)
                   1 Microtetraspora glauca Thiemann et al. 1968 (Approved Lists 1980)
                   2 Microtetraspora fusca Thiemann et al. 1968 (Approved Lists 1980)
                   3 Microtetraspora malaysiensis Nakajima et al. 2004
                   4 Microtetraspora niveoalba Nonomura and Ohara 1971 (Approved Lists 1980)
                   5 Microtetraspora tyrrhenii Tomita et al. 1992