Tundrisphaera Kulichevskaya et al. 2017 Tundrisphaera lichenicola Kulichevskaya et al. 2017 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Planctomycetes (sic) Garrity and Holt 2021 Planctomycetota corrig. Garrity and Holt 2021 Planctomycetia (Cavalier-Smith 2002) Ward 2020 Isosphaerales Dedysh et al. 2020 Isosphaeraceae Kulichevskaya et al. 2016 Tundrisphaera Kulichevskaya et al. 2017 Isosphaeraceae Kulichevskaya et al. 2016 Singulisphaera Kulichevskaya et al. 2008 emend. Kulichevskaya et al. 2012 Aquisphaera Bondoso et al. 2011 Isosphaera Giovannoni et al. 1995 Paludisphaera Kulichevskaya et al. 2016 Tautonia Kovaleva et al. 2019 emend. Gaurav et al. 2021 Tundrisphaera lichenicola Kulichevskaya et al. 2017 Kulichevskaya I.S. Ivanova A.A. Detkova E.N. Rijpstra W.I.C. Sinninghe Damsté J.S. Dedysh S.N. Tundrisphaera lichenicola gen. nov., sp. nov., a psychrotolerant representative of the family Isosphaeraceae from lichen-dominated tundra soils. 2017 67 9 3583 3589 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002172 28829024