Phreatobacter stygius Lee 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 Phreatobacteraceae Hördt et al. 2020 Phreatobacter Tóth et al. 2014 emend. Lee et al. 2017 Phreatobacter stygius Lee et al. 2017 Phreatobacter Tóth et al. 2014 emend. Lee et al. 2017 Phreatobacter oligotrophus Tóth et al. 2014 Phreatobacter cathodiphilus Kim et al. 2018 Phreatobacter stygius Lee et al. 2017 Lee S.D. Joung Y. Cho J.-C. Phreatobacter stygius sp. nov., isolated from pieces of wood in a lava cave and emended description of the genus Phreatobacter. 2017 67 9 3296 3300 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002106 28867003 Lee S.D. Joung Y. Cho J.-C. Phreatobacter stygius sp. nov., isolated from pieces of wood in a lava cave and emended description of the genus Phreatobacter. 2017 67 9 3296 3300 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002106 28867003