Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 [paraphyletic?] Superphylum Terrabacteria Battistuzzi et al. 2004 Phylum Chloroflexi Garrity and Holt 2001 Class Thermomicrobia Garrity and Holt 2002 1 Order Thermomicrobialesᵀ Garrity and Holt 2002 [monotypic] 2 Order Sphaerobacterales Stackebrandt et al. 1997 [monotypic]