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 Chloroflexi Garrity and Holt 2001 [Class "Chloroflexi"ᵀ Castenholz 2001 nom. inval.] see Class Chloroflexia Gupta et al. 2013 [Order "Herpetosiphonales" Castenholz 2001 nom. nud. [monotypic]] see Order Herpetosiphonales Gupta et al. 2013 1 [Family "Herpetosiphonaceae"ᵀ Castenholz 2001 nom. nud. [monotypic]] see Family Herpetosiphonaceae Gupta et al. 2013