Ferrigenium kumadai Khalifa et al. 2018 Ferrigenium kumadai Khalifa et al. 2018 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 Betaproteobacteria Garrity et al. 2006 emend. Boden et al. 2017 Nitrosomonadales Garrity et al. 2006 emend. Boden et al. 2017 Gallionellaceae Henrici and Johnson 1935 (Approved Lists 1980) emend. Kojima et al. 2021 Ferrigenium Khalifa et al. 2018 Ferrigenium kumadai Khalifa et al. 2018 Ferrigenium Khalifa et al. 2018 Ferrigenium kumadai Khalifa et al. 2018 Khalifa A. Nakasuji Y. Saka N. Honjo H. Asakawa S. Watanabe T. Ferrigenium kumadai gen. nov., sp. nov., a microaerophilic iron-oxidizing bacterium isolated from a paddy field soil. 2018 68 8 2587 2592 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002882 29944111 Khalifa A. Nakasuji Y. Saka N. Honjo H. Asakawa S. Watanabe T. Ferrigenium kumadai gen. nov., sp. nov., a microaerophilic iron-oxidizing bacterium isolated from a paddy field soil. 2018 68 8 2587 2592 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002882 29944111 Khalifa A. Nakasuji Y. Saka N. Honjo H. Asakawa S. Watanabe T. Ferrigenium kumadai gen. nov., sp. nov., a microaerophilic iron-oxidizing bacterium isolated from a paddy field soil. 2018 68 8 2587 2592 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002882 29944111