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 Alicyclobacillaceae da Costa and Rainey 2010
             1 Genus Alicyclobacillus Wisotzkey et al. 1992
             2 Genus Effusibacillus Watanabe et al. 2014
             3 Genus Kyrpidia Klenk et al. 2012
             4 Genus Tumebacillus Steven et al. 2008