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 Tissierellia Alauzet et al. 2014 [monotypic]
         Genus Ezakiella Patel et al. 2015