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 Betaproteobacteria Garrity et al. 2006 Order Burkholderialesᵀ Garrity et al. 2006 Family Oxalobacteraceae Garrity et al. 2006 01 Genus Actimicrobium Kim et al. 2021 02 Genus Affinundibacterium Ma et al. 2026 03 Genus Cognatundibacterium Lu et al. 2026 04 Genus Collimonas de Boer et al. 2004 05 Genus Duganella Hiraishi et al. 1997 06 Genus Glaciimonas Zhang et al. 2011 07 Genus Herbaspirillum Baldani et al. 1986 08 Genus Herminiimonas Fernandes et al. 2005 09 Genus Janthinobacterium De Ley et al. 1978 (Approved Lists 1980) 10 Genus Keguizhuia Zhao et al. 2024 11 Genus Lacisediminimonas Wu et al. 2020 12 Genus Massilia La Scola et al. 2000 13 Genus Neoundibacterium Ma et al. 2026 14 Genus Noviherbaspirillum Lin et al. 2013 15 Genus Oxalicibacterium Tamer et al. 2003 16 Genus Oxalobacterᵀ Allison et al. 1985 17 Genus Paraherbaspirillum Anandham et al. 2013 18 Genus Parundibacterium corrig. Ma et al. 2026 19 Genus Paucimonas Jendrossek 2001 [monotypic] 20 Genus Pseudundibacterium Lu et al. 2026 21 Genus Rugamonas Austin and Moss 1987 [monotypic] 22 Genus Sapientia Felföldi et al. 2020 23 Genus Solimicrobium Margesin et al. 2018 24 Genus Telluria Bowman et al. 1993 25 Genus Undibacterium Kämpfer et al. 2007 [monotypic] 26 Genus Zemynaea Bowman 2023 27 Genus "Candidatus Zinderia" McCutcheon and Moran 2020