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 Pseudonocardineae Stackebrandt et al. 1997
             Family Pseudonocardiaceae Embley et al. 1989
               Genus Actinopolyspora Gochnauer et al. 1975 (Approved Lists 1980)
               Genus Amycolatopsis Lechevalier et al. 1986
               Genus Kibdelosporangium Shearer et al. 1986
               Genus Kutzneria Stackebrandt et al. 1994
               Genus Prauserella Kim and Goodfellow 1999
               Genus Saccharomonospora Nonomura and Ohara 1971 (Approved Lists 1980)
               Genus Saccharopolyspora Lacey and Goodfellow 1975 (Approved Lists 1980)
               Genus Streptoalloteichus (ex Tomita et al. 1978) Tomita et al. 1987
               Genus Thermobispora Wang et al. 1996
               Genus Thermocrispum Korn-Wendisch et al. 1995
               1 Genus Pseudonocardia Henssen 1957 (Approved Lists 1980)