Promicromonosporaceae Rainey et al. 1997 emend. Salam et al. 2020 Promicromonospora Krasil'nikov et al. 1961 (Approved Lists 1980) 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) Cellulomonadales Salam et al. 2020 Promicromonosporaceae Rainey et al. 1997 emend. Salam et al. 2020 Cellulomonadales Salam et al. 2020 Cellulomonadaceae Stackebrandt and Prauser 1991 emend. Nouioui et al. 2018 Jonesiaceae Stackebrandt et al. 1997 emend. Nouioui et al. 2018 Actinotaleaceae Salam et al. 2020 Oerskoviaceae Salam et al. 2020 Cellulosimicrobium Schumann et al. 2001 emend. Yoon et al. 2007 Xylanimonas Rivas et al. 2003 emend. Heo et al. 2020 Isoptericola Stackebrandt et al. 2004 Xylanibacterium Rivas et al. 2004 Xylanimicrobium Stackebrandt and Schumann 2004 Promicromonospora Krasil'nikov et al. 1961 (Approved Lists 1980) Krasilnikoviella Nishijima et al. 2017 Myceligenerans Cui et al. 2004 emend. Wang et al. 2011 Luteimicrobium Hamada et al. 2010 emend. Hamada et al. 2012 Oerskovia Prauser et al. 1970 (Approved Lists 1980) emend. Stackebrandt et al. 2002 Paraoerskovia Khan et al. 2009 emend. Schumann et al. 2013 Antribacter Zhang et al. 2019 Rarobacter Yamamoto et al. 1988 Puerhibacterium Yang et al. 2021 Rivas R. Trujillo M.E. Schumann P. Kroppenstedt R.M. Sánchez M. Mateos P.F. Martínez-Molina E. Velázquez E. Xylanibacterium ulmi gen. nov., sp. nov., a novel xylanolytic member of the family Promicromonosporaceae 2004 54 2 557 561 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02808-0 15023975 Rivas R. Sánchez M. Trujillo M.E. 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