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?] "Candidate Phyla Radiation (CPR)" Brown et al. 2015 Candidate phylum Saccharibacteria (TM7) Albertsen et al. 2013