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 "Tropherymataceae" Nouioui et al. 2018 nom. inval. [monotypic] Genus "Tropheryma"ᵀ La Scola et al. 2001 nom. inval. 1 Tropheryma whippleiᵀ La Scola et al. 2001