Psittacicella melopsittaci Xin et al. 2019 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Gammaproteobacteria Garrity et al. 2005 emend. Williams and Kelly 2013 Pasteurellales Garrity et al. 2005 Psittacicellaceae Xin et al. 2019 Psittacicella Xin et al. 2019 Psittacicella melopsittaci Xin et al. 2019 Psittacicella Xin et al. 2019 Psittacicella hinzii Xin et al. 2019 Psittacicella gerlachiana Xin et al. 2019 Psittacicella melopsittaci Xin et al. 2019 Xin D. Bisgaard M. Busse H.-J. Olsen R.H. Hess C. Aalbæk B. Olsen J.E. Christensen H. Reclassification of Bisgaard taxon 37 and taxon 44 as Psittacicella melopsittaci gen. nov., sp. nov., Psittacicella hinzii sp. nov. and Psittacicella gerlachiana sp. nov. within Psittacicellaceae fam. nov. of the order Pasteurellales. 2019 69 2 350 355 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003133 30543317 Xin D. Bisgaard M. Busse H.-J. Olsen R.H. Hess C. Aalbæk B. Olsen J.E. Christensen H. Reclassification of Bisgaard taxon 37 and taxon 44 as Psittacicella melopsittaci gen. nov., sp. nov., Psittacicella hinzii sp. nov. and Psittacicella gerlachiana sp. nov. within Psittacicellaceae fam. nov. of the order Pasteurellales. 2019 69 2 350 355 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003133 30543317