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 Hyphomicrobiales Douglas 1957 (Approved Lists 1980) Family Bartonellaceae Gieszczykiewicz 1939 (Approved Lists 1980) 01 Genus Aliihoeflea Roh et al. 2025 02 Genus Aminobacter Urakami et al. 1992 03 Genus Aquamicrobium Bambauer et al. 1998 04 Genus Aquibium Kim et al. 2022 05 Genus Arvimicrobium Lee et al. 2026 06 Genus Bartonellaᵀ Strong et al. 1915 (Approved Lists 1980) 07 Genus Borborobacter Li et al. 2025 08 Genus Brucella Meyer and Shaw 1920 (Approved Lists 1980) 09 Genus Chelativorans Doronina et al. 2010 10 Genus Corticibacterium Li et al. 2016 11 Genus Daeguia Yoon et al. 2008 [monotypic] 12 Genus Falsochrobactrum Kämpfer et al. 2013 13 Genus Foliimonas Banerjee et al. 2025 14 Genus Kumtagia Li et al. 2025 15 Genus Limoniibacter Li et al. 2019 16 Genus Manganibacter Li et al. 2025 17 Genus Mesorhizobium Jarvis et al. 1997 18 Genus Neoaquamicrobium Li et al. 2025 19 Genus Nitratireductor Labbé et al. 2004 20 Genus Notoacmeibacter Huang et al. 2017 21 Genus Ollibium Li et al. 2025 22 Genus Oryzicola Chhetri et al. 2025 23 Genus Paenochrobactrum Kämpfer et al. 2010 24 Genus Phyllobacterium (ex Knösel 1962) Knösel 1984 25 Genus Pseudaminobacter Kämpfer et al. 1999 26 Genus Pseudochrobactrum Kämpfer et al. 2006 27 Genus Terribium Li et al. 2025 28 Genus Tianweitania Han et al. 2016 29 Genus Zhengella Liao et al. 2018 30 Genus "Paramesorhizobium" Luo et al. 2015 nom. inval. 31 Genus "Candidatus Tokpelaia" Neuvonen et al. 2022