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 Polyangiumᵀ Link 1809 (Approved Lists 1980) 1 Polyangium aureum (ex Krzemieniewska and Krzemieniewski 1930) Brockman 1989 2 Polyangium fumosum Krzemieniewska and Krzemieniewski 1930 (Approved Lists 1980) 3 Polyangium luteum (ex Krzemieniewska and Krzemieniewski 1927) Brockman 1989 4 Polyangium parasiticum (ex Geitler 1924) Brockman 1989 5 Polyangium sorediatum (ex Thaxter 1904) Brockman 1989 6 Polyangium spumosum (ex Krzemieniewska and Krzemieniewski 1927) Brockman 1989 7 Polyangium vitellinumᵀ Link 1809 (Approved Lists 1980)