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 Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024 Phylum Pseudomonadotaᵀ Garrity et al. 2021 Class Gammaproteobacteriaᵀ Garrity et al. 2005 Order Arenicellales Teramoto et al. 2015 Family "Candidatus Spongiicolonaceae" Nguyen et al. 2023 nom. pro-inval. [monotypic] Genus "Candidatus Spongiicolonus"ᵀ Nguyen et al. 2023 nom. pro-inval.