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 Thermotogati Battistuzzi and Hedges 2024 Phylum Synergistota Jumas-Bilak et al. 2021 Family Thermosynergistaceae Yang et al. 2021, incertae sedis [monotypic] Genus Thermosynergistesᵀ Yang et al. 2021