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) 01 Genus Pengzhenrongella Kim et al. 2021, incertae sedis 02 Family Allobogoriellaceae Deshmukh and Oren 2025 03 Family Beutenbergiaceae Zhi et al. 2009 04 Family Brevibacteriaceae Breed 1953 (Approved Lists 1980) 05 Family Cellulomonadaceae Stackebrandt and Prauser 1991 06 Family Demequinaceae Ue et al. 2011 [monotypic] 07 Family Dermabacteraceae Stackebrandt et al. 1997 08 Family Dermacoccaceae Schumann and Stackebrandt 2000 09 Family Dermatophilaceae Austwick 1958 (Approved Lists 1980) 10 Family Intrasporangiaceae Rainey et al. 1997 11 Family Jonesiaceae Stackebrandt et al. 1997 12 Family Kytococcaceae Nouioui et al. 2018 [monotypic] 13 Family Microbacteriaceae Park et al. 1995 14 Family Micrococcaceaeᵀ Pribram 1929 (Approved Lists 1980) 15 Family Ornithinimicrobiaceae Nouioui et al. 2018 16 Family Promicromonosporaceae Rainey et al. 1997 17 Family Rarobacteraceae Stackebrandt and Schumann 2000 [monotypic] 18 Family Ruaniaceae Tang et al. 2010 19 Family "Tropherymataceae" Nouioui et al. 2018 nom. inval. [monotypic]