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 Catellibacterium Tanaka et al. 2004] see Genus Gemmobacter Rothe et al. 1988 [Catellibacterium aquatile Liu et al. 2010] see Gemmobacter aquaticus (Liu et al. 2010) Chen et al. 2013