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 Solirubrobacterales Reddy and Garcia-Pichel 2009 Family Conexibacteraceae Stackebrandt 2005 [monotypic] Genus Conexibacterᵀ Monciardini et al. 2003 Conexibacter arvalis Seki et al. 2012