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 Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Actinomycetota Goodfellow 2021
                 Class Actinomycetesᵀ Krassilnikov 1949 (Approved Lists 1980)
                   Order Micrococcales Prévot 1940 (Approved Lists 1980)
                     Family Intrasporangiaceae Rainey et al. 1997
                       Genus Knoellia Groth et al. 2002
                         1 Knoellia aerolata Weon et al. 2007
                         2 Knoellia flava Yu et al. 2012
                         3 Knoellia locipacati Shin et al. 2012
                         4 Knoellia sinensisᵀ Groth et al. 2002
                         5 Knoellia subterranea Groth et al. 2002