prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Actinobacteria" Garrity and Holt 2001
       Class Actinobacteria Stackebrandt et al. 1997
         Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
           Suborder Streptosporangineae Ward-Rainey et al. 1997
             Family Thermomonosporaceae Rainey et al. 1997
               Genus Spirillospora Couch 1963 (Approved Lists 1980)