Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 2024 Kingdom Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024 Prochlorococcus marinusᵀ S.W. Chisholm et al. 1992 [ICBN] Prochlorococcus marinus subsp. marinusᵀ S.W. Chisholm et al. (1992)