Quadrisphaera Maszenan et al. 2005 Quadrisphaera granulorum Maszenan et al. 2005 emend. Nouioui et al. 2018 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Actinobacteria (sic) Goodfellow 2021 non Actinobacteria Stackebrandt et al. 1997 Actinomycetota corrig. Goodfellow 2021 Actinobacteriota corrig. Goodfellow 2021 Actinomycetes Krasil'nikov 1949 (Approved Lists 1980) Kineosporiales (Zhi et al. 2009) Kämpfer 2015 Kineosporiaceae Zhi et al. 2009 Quadrisphaera Maszenan et al. 2005 Kineosporiaceae Zhi et al. 2009 Kineosporia Pagani and Parenti 1978 (Approved Lists 1980) emend. Kudo et al. 1998 Kineococcus Yokota et al. 1993 Thalassiella Lee et al. 2017 Angustibacter Tamura et al. 2010 emend. Ko and Lee 2017 Pseudokineococcus Jurado et al. 2011 Quadrisphaera granulorum Maszenan et al. 2005 emend. Nouioui et al. 2018 Quadrisphaera oryzae Muangham et al. 2020 Maszenan A.M. Tay J.H. Schumann P. Jiang H.L. Tay S.T.L. Quadrisphaera granulorum gen. nov., sp. nov., a Gram-positive polyphosphate-accumulating coccus in tetrads or aggregates isolated from aerobic granules 2005 55 5 1771 1777 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63583-0 16166665 Zhi X.Y. Li W.J. Stackebrandt E. An update of the structure and 16S rRNA gene sequence-based definition of higher ranks of the class Actinobacteria, with the proposal of two new suborders and four new families and emended descriptions of the existing higher taxa. 2009 59 3 589 608 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65780-0 19244447 Muangham S. Lipun K. Matsumoto A. Inahashi Y. Duangmal K. Quadrisphaera oryzae sp. nov., an endophytic actinomycete isolated from leaves of rice plant (Oryza sativa L.). 2019 72 2 93 98 The Journal of Antibiotics J Antibiot (Tokyo) 0021-8820 10.1038/s41429-018-0112-5 30385842