Incertae sedis 101 None 2015 Incertae sedis 101 None 2015 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 Incertae sedis 87 None 2015 Incertae sedis 101 None 2015 Incertae sedis 87 None 2015 Carsonella Thao et al. 2000 Thao M.L. Moran N.A. Abbot P. Brennan E.B. Burckhardt D.H. Baumann P. Cospeciation of psyllids and their primary prokaryotic endosymbionts 2000 66 7 2898 2905 Applied and Environmental Microbiology Appl Environ Microbiol 0099-2240 1098-5336 10.1128/AEM.66.7.2898-2905.2000 10877784 No reference is available 2015