prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Planctomycetes" Garrity and Holt 2001 Class Phycisphaerae Fukunaga et al. 2010 1 Order Phycisphaerales Fukunaga et al. 2010 [monotypic] 2 Order Tepidisphaerales Kovaleva et al. 2015 [monotypic]