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?] Phylum Acidobacteria Thrash and Coates 2012 Class Holophagae Fukunaga et al. 2008 Order Acanthopleuribacterales Fukunaga et al. 2008 [monotypic] 1 Family Acanthopleuribacteraceaeᵀ Fukunaga et al. 2008 [monotypic]