Incertae sedis 650 Sorokin et al. 2021 Incertae sedis 650 Sorokin et al. 2021 Natranaerofaba Sorokin et al. 2021 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Firmicutes (sic) Gibbons and Murray 2021 Bacillota corrig. Gibbons and Murray 2021 Firmacutes (sic) Gibbons and Murray 2021 Clostridia Rainey 2010 Incertae sedis 650 Sorokin et al. 2021 Clostridia Rainey 2010 Haloanaerobiales (sic) Rainey et al. 1995 Halanaerobiales corrig. Rainey et al. 1995 Natranaerobiales Mesbah et al. 2007 Thermoanaerobacterales (Garrity and Holt 2001) Wiegel 2010 emend. Lv et al. 2020 Eubacteriales Buchanan 1917 (Approved Lists 1980) emend. Tindall 2019 Clostridiales Prévot 1953 (Approved Lists 1980) Thermoanaerobacteriales Garrity and Holt 2001 Syntrophomonadales Sorokin et al. 2016 Thermosediminibacterales Zhang et al. 2019 Thermovenabulales Parks et al. 2018 Moorellales Lv et al. 2020 Koleobacterales Sakamoto et al. 2021 Monoglobacales None 2015 Borkfalkiales corrig. Hildebrand et al. 2019 Comantemales (sic) Hildebrand et al. 2019 Natranaerofabaceae Sorokin et al. 2021 Sorokin D.Y. Diender M. Merkel A.Y. Koenen M. Bale N.J. Pabst M. Sinninghe Damsté J.S. Sousa D.Z. Natranaerofaba carboxydovora gen. nov., sp. nov., an extremely haloalkaliphilic CO-utilizing acetogen from a hypersaline soda lake representing a novel deep phylogenetic lineage in the class 'Natranaerobiia'. 2021 23 7 3460 3476 Environmental Microbiology Environ Microbiol 1462-2912 1462-2920 10.1111/1462-2920.15241 32955149 Sorokin D.Y. Diender M. Merkel A.Y. Koenen M. Bale N.J. Pabst M. Sinninghe Damsté J.S. Sousa D.Z. Natranaerofaba carboxydovora gen. nov., sp. nov., an extremely haloalkaliphilic CO-utilizing acetogen from a hypersaline soda lake representing a novel deep phylogenetic lineage in the class 'Natranaerobiia'. 2021 23 7 3460 3476 Environmental Microbiology Environ Microbiol 1462-2912 1462-2920 10.1111/1462-2920.15241 32955149 Sorokin et al. 2021 placed this taxon in the "Natranaerobiia", which does not currently exist (September 2021).