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 Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024 Phylum Pseudomonadotaᵀ Garrity et al. 2021 Class Deltaproteobacteria Kuever et al. 2006 Order Myxococcalesᵀ Tchan et al. 1948 (Approved Lists 1980) [Suborder Cystobacterineae Reichenbach 2007] see Order Myxococcales Tchan et al. 1948 (Approved Lists 1980) [Family Cystobacteraceaeᵀ McCurdy 1970 (Approved Lists 1980)] see Family Archangiaceae Jahn 1924 (Approved Lists 1980) [Genus "Hyalangium" Reichenbach, 2005 nom. inval.] see Genus Hyalangium Reichenbach 2007 1 ["Hyalangium minutum" Reichenbach, 2007] see Hyalangium minutum Reichenbach 2007