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?] Phylum "Deltaproteobacteria" Kuever et al., 2006 [polyphyletic] Class Deltaproteobacteriaᵀ Kuever et al. 2006 Order Myxococcales Tchan et al. 1948 (Approved Lists 1980) Suborder Sorangiineae corrig. Reichenbach 2007 Family Polyangiaceaeᵀ Jahn 1924 (Approved Lists 1980) Genus Sorangium (ex Jahn 1924) Reichenbach 2007 [monotypic] Sorangium cellulosumᵀ (Brockman 1989) Reichenbach 2007