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 Cryptosporangiales Nouioui et al. 2018 [monotypic] 1 Family Cryptosporangiaceaeᵀ Zhi et al. 2009