Zimmermannella helvola Lin et al. 2004 pro synon. Pseudoclavibacter helvolus Manaia et al. 2004 Zimmermannella helvola Lin et al. 2004 pro synon. Pseudoclavibacter helvolus Manaia et al. 2004 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) Microbacteriales Salam et al. 2020 Microbacteriaceae Park et al. 1995 emend. Zhi et al. 2009 Zimmermannella Lin et al. 2004 Zimmermannella helvola Lin et al. 2004 pro synon. Pseudoclavibacter helvolus Manaia et al. 2004 Zimmermannella Lin et al. 2004 Zimmermannella alba Lin et al. 2004 emend. Nouioui et al. 2018 Zimmermannella faecalis Lin et al. 2004 Zimmermannella bifida Lin et al. 2004 Zimmermannella helvola Lin et al. 2004 pro synon. Pseudoclavibacter helvolus Manaia et al. 2004 Pseudoclavibacter helvolus Manaia et al. 2004 Lin Y.C. Uemori K. de Briel D.A. Arunpairojana V. Yokota A. Zimmermannella helvola gen. nov., sp. nov., Zimmermannella alba sp. nov., Zimmermannella bifida sp. nov., Zimmermannella faecalis sp. nov. and Leucobacter albus sp. nov., novel members of the family Microbacteriaceae. 2004 54 5 1669 1676 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02741-0 15388726 Manaia C.M. Nogales B. Weiss N. Nunes O.C. Gulosibacter molinativorax gen. nov., sp. nov., a molinate-degrading bacterium, and classification of 'Brevibacterium helvolum' DSM 20419 as Pseudoclavibacter helvolus gen. nov., sp. nov. 2004 54 3 783 789 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02851-0 15143025 Lin Y.C. Uemori K. de Briel D.A. Arunpairojana V. Yokota A. Zimmermannella helvola gen. nov., sp. nov., Zimmermannella alba sp. nov., Zimmermannella bifida sp. nov., Zimmermannella faecalis sp. nov. and Leucobacter albus sp. nov., novel members of the family Microbacteriaceae. 2004 54 5 1669 1676 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02741-0 15388726 Pseudoclavibacter helvolus Manaia et al. 2004 Lin Y.C. Uemori K. de Briel D.A. Arunpairojana V. Yokota A. Zimmermannella helvola gen. nov., sp. nov., Zimmermannella alba sp. nov., Zimmermannella bifida sp. nov., Zimmermannella faecalis sp. nov. and Leucobacter albus sp. nov., novel members of the family Microbacteriaceae. 2004 54 5 1669 1676 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02741-0 15388726 Request for opinion needed. P. helvolus was published as the type species of the Pseudoclavibacter gen. nov. with the type strain DSM 20419 before the publication Z. helvola as the type species of Zimmermannella gen. nov. with the type strain DSM 20419. Thus, the genus Zimmermannella is illegitimate. Euzeby asserts homotypic synonymy between these genera, however, this concept is not consistent with the Code.