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 Micromonosporales Genilloud 2015 [monotypic]
                     Family Micromonosporaceaeᵀ Krassilnikov 1938 (Approved Lists 1980)
                       01 Genus Actinocatenispora Thawai et al. 2006
                       02 Genus Actinoplanes Couch 1950 (Approved Lists 1980)
                       03 Genus Actinorhabdospora Mingma et al. 2016
                       04 Genus Allocatelliglobosispora Lee and Lee 2011 [monotypic]
                       05 Genus Allorhizocola Sun et al. 2019
                       06 Genus Asanoa Lee and Hah 2002
                       07 Genus Catellatospora Asano and Kawamoto 1986
                       08 Genus Catelliglobosispora Ara et al. 2008 [monotypic]
                       09 Genus Catenuloplanes Yokota et al. 1993
                       10 Genus Couchioplanes Tamura et al. 1994 [monotypic]
                       11 Genus Dactylosporangium Thiemann et al. 1967 (Approved Lists 1980)
                       12 Genus Hamadaea Ara et al. 2008 [monotypic]
                       13 Genus Jidongwangia Han et al. 2023
                       14 Genus Krasilnikovia Ara and Kudo 2007 [monotypic]
                       15 Genus Longispora Matsumoto et al. 2003
                       16 Genus Luedemannella Ara and Kudo 2007
                       17 Genus Mangrovihabitans Liu et al. 2017
                       18 Genus Melissospora Tellatin et al. 2025
                       19 Genus Micromonosporaᵀ Ørskov 1923 (Approved Lists 1980)
                       20 Genus Natronosporangium Sorokin et al. 2025
                       21 Genus Nucisporomicrobium Han et al. 2022
                       22 Genus Phytohabitans Inahashi et al. 2010
                       23 Genus Phytomonospora Li et al. 2011 [monotypic]
                       24 Genus Pilimelia Kane 1966 (Approved Lists 1980)
                       25 Genus Planosporangium Wiese et al. 2008
                       26 Genus Plantactinospora Qin et al. 2009
                       27 Genus Polymorphospora Tamura et al. 2006 [monotypic]
                       28 Genus Pseudosporangium Ara et al. 2008 [monotypic]
                       29 Genus Rhizocola Matsumoto et al. 2014
                       30 Genus Rhizomonospora Yoon and Tamura 2025
                       31 Genus Rugosimonospora Monciardini et al. 2009
                       32 Genus Salinispora Maldonado et al. 2005
                       33 Genus Spirilliplanes Tamura et al. 1997 [monotypic]
                       34 Genus Virgisporangium corrig. Tamura et al. 2001
                       35 Genus "Salinospora" Mincer et al. 2002 nom. inval.
                       36 Genus "Solwaraspora" Magarvey et al. 2004 nom. inval.