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 Mycobacteriales Janke 1924 (Approved Lists 1980)
                     Family Nocardiaceae Castellani and Chalmers 1919 (Approved Lists 1980)
                       01 Genus Aldersonia Nouioui et al. 2018
                       02 Genus Antrihabitans Lee et al. 2020
                       03 Genus Hoyosella Jurado et al. 2009 [monotypic]
                       04 Genus Lolliginicoccus Miyanishi et al. 2023
                       05 Genus Millisia Soddell et al. 2006 [monotypic]
                       06 Genus Nocardiaᵀ Trevisan 1889 (Approved Lists 1980)
                       07 Genus Rhodococcus Zopf 1891 (Approved Lists 1980) nom. cons.
                       08 Genus Skermania Chun et al. 1997 [monotypic]
                       09 Genus Smaragdicoccus Adachi et al. 2007 [monotypic]
                       10 Genus Tomitella Katayama et al. 2010