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] Clade "neomura" Cavalier-Smith 1987 Domain Archaea Woese et al. 1990 [paraphyletic] Candidate phylum Hydrothermarchaeota (MBG-E) Jungbluth et al. 2017