Chthonobacter Kim et al. 2017 Chthonobacter albigriseus Kim et al. 2017 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Alphaproteobacteria Garrity et al. 2006 Hyphomicrobiales Douglas 1957 (Approved Lists 1980) emend. Hördt et al. 2020 Pleomorphomonadaceae Hördt et al. 2020 Chthonobacter Kim et al. 2017 Pleomorphomonadaceae Hördt et al. 2020 Pleomorphomonas Xie and Yokota 2005 Hartmannibacter Suarez et al. 2014 Methylobrevis Poroshina et al. 2015 Mongoliimonas Xi et al. 2017 Oharaeibacter Lv et al. 2017 Chthonobacter albigriseus Kim et al. 2017 Chthonobacter rhizosphaerae Liu et al. 2022 Kim D. Kang K. Ahn T.-Y. Chthonobacter albigriseus gen. nov., sp. nov., isolated from grass-field soil in Korea 2017 67 4 883 888 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001695 28475028 Liu X.-M. Zhou X.-K. Li Y.-D. Jiang J.-X. Dong L.-M. Fang B.-Z. Li W.-J. Duan Y.-Q. Chthonobacter rhizosphaerae sp. nov., a bacterium isolated from rhizosphere soil of Citrus sinenesis. 2021 203 5 2343 2350 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/s00203-021-02217-6 33655406 Hördt A. García-López M. Meier-Kolthoff J.P. Tindall B.J. Weinhold L.-M. Gronow S. Kyrpides N. Woyke T. Schleuning M. Göker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria 2020 11 468 Frontiers in Microbiology Front. Microbio. 1664-302X 10.3389/fmicb.2020.00468 32373076