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 Terrabacteria Battistuzzi et al. 2004 Phylum "Actinobacteria" Garrity and Holt 2001 Class Rubrobacteria Suzuki 2013 Order Gaiellales Albuquerque et al. 2012 [monotypic] Family Gaiellaceaeᵀ Albuquerque et al. 2012 [monotypic] Genus Gaiellaᵀ Albuquerque et al. 2012 [monotypic] Gaiella occultaᵀ Albuquerque et al. 2012