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 Fibrobacteres-Chlorobi-Bacteroidetes (FCB) Gupta 2004 Candidate phylum Fermentibacteria (Hyd24-12) Kirkegaard et al. 2016