prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Firmicutes" corrig. Gibbons and Murray 1978 (Approved Lists 1980)
       Class Bacilli Ludwig et al. 2010
         Order Bacillales Prévot 1953 (Approved Lists 1980)
           Family Thermoactinomycetaceae Matsuo et al. 2006
             01 Genus Baia Guan et al. 2015
             02 Genus Desmospora Yassin et al. 2009
             03 Genus Geothermomicrobium Zhou et al. 2014
             04 Genus Kroppenstedtia von Jan et al. 2011
             05 Genus Laceyella Yoon et al. 2005
             06 Genus Lihuaxuella Yu et al. 2013
             07 Genus Marininema Li et al. 2012
             08 Genus Marinithermofilum Zhang et al. 2015
             09 Genus Mechercharimyces Matsuo et al. 2006
             10 Genus Melghirimyces Addou et al. 2012
             11 Genus Novibacillus Yang et al. 2015
             12 Genus Planifilum Hatayama et al. 2005
             13 Genus Polycladomyces Tsubouchi et al. 2013
             14 Genus Risungbinella Kim et al. 2015
             15 Genus Salinithrix Zarparvar et al. 2014
             16 Genus Seinonella Yoon et al. 2005
             17 Genus Shimazuella Park et al. 2007
             18 Genus Thermoactinomyces Tsilinsky 1899 (Approved Lists 1980)
             19 Genus Thermoflavimicrobium Yoon et al. 2005