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 Alphaproteobacteria Garrity et al. 2006 Order Rhodobacterales Garrity et al. 2006 [Family Rhodobacteraceaeᵀ Garrity et al. 2006 nom. illeg.] see Family Paracoccaceae Liang et al. 2022 [Genus Thiosphaera Robertson and Kuenen 1984] see Genus Paracoccus Davis 1969 (Approved Lists 1980) [Thiosphaera pantotrophaᵀ Robertson and Kuenen 1984] see Paracoccus pantotrophus (Robertson and Kuenen 1984) Rainey et al. 1999