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 Tenericutes Murray 1984 [monotypic]] see Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)