Sphaerobacteridae Stackebrandt et al. 1997 Sphaerobacteridae Stackebrandt et al. 1997 Sphaerobacterales Stackebrandt et al. 1997 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Chloroflexi (sic) Garrity and Holt 2021 emend. Hugenholtz and Stackebrandt 2004 non Chloroflexi Gupta et al. 2013 Chloroflexota corrig. Garrity and Holt 2021 emend. Hugenholtz and Stackebrandt 2004 Thermomicrobia Garrity and Holt 2002 emend. Hugenholtz and Stackebrandt 2004 non Thermomicrobia Garrity and Holt 2021 Sphaerobacteridae Stackebrandt et al. 1997 Thermomicrobia Garrity and Holt 2002 emend. Hugenholtz and Stackebrandt 2004 non Thermomicrobia Garrity and Holt 2021 Incertae sedis 145 None 2015 Thermomicrobiales Garrity and Holt 2002 Sphaerobacterales Stackebrandt et al. 1997 Hugenholtz P. Stackebrandt E. Reclassification of Sphaerobacter thermophilus from the subclass Sphaerobacteridae in the phylum Actinobacteria to the class Thermomicrobia (emended description) in the phylum Chloroflexi (emended description) 2004 54 6 2049 2051 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.03028-0 15545432 Stackebrandt E. Rainey F.A. Ward-Rainey N.L. Proposal for a new hierarchic classification system, Actinobacteria classis nov. 1997 47 2 479 491 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-47-2-479 Stackebrandt E. Rainey F.A. Ward-Rainey N.L. Proposal for a new hierarchic classification system, Actinobacteria classis nov. 1997 47 2 479 491 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-47-2-479