Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] [Superkingdom "Prokaryota" Margulis 1974 nom. nud. [paraphyletic]] [Kingdom "Bacteria" Cavalier-Smith 2002 stat. inval. - bacteria] see Domain Bacteria Woese et al. 1990 stat. inval. [Subkingdom Unibacteria Cavalier-Smith 2002] see Domain Bacteria Woese et al. 1990 stat. inval. [Division Archaebacteria Cavalier-Smith 2002] see Domain Archaea Woese et al. 1990 stat. inval. [Subdivision Euryarchaeotaᵀ Cavalier-Smith 2002] see Phylum Euryarchaeota Garrity and Holt 2002 stat. inval. [Superclass Neobacteriaᵀ Cavalier-Smith 2002] [Class Methanothermea Cavalier-Smith 2002 nom. rej. [paraphyletic?]] see Class Methanococci Boone 2002