Pseudocaedibacter Quackenbush 1982 Pseudocaedibacter Quackenbush 1982 Pseudocaedibacter conjugatus (ex Preer et al. 1974) Quackenbush 1982 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 Alphaproteobacteria Garrity et al. 2006 Rickettsiales Gieszczykiewicz 1939 (Approved Lists 1980) emend. Dumler et al. 2001 Incertae sedis 4 Garrity et al. 2007 Pseudocaedibacter Quackenbush 1982 Incertae sedis 4 Garrity et al. 2007 Symbiotes Philip 1956 emend. Brooks 1974 (Approved Lists 1980) Caedobacter (sic) (ex Preer et al. 1974) Preer and Preer 1982 emend. Schrallhammer et al. 2018 Caedibacter corrig. (ex Preer et al. 1974) Preer and Preer 1982 emend. Schrallhammer et al. 2018 Tectibacter corrig. (ex Preer et al. 1974) Preer and Preer 1982 Tectobacter (sic) (ex Preer et al. 1974) Preer and Preer 1982 Odyssella Birtles et al. 2000 Lyticum (ex Preer et al. 1974) Preer and Preer 1982 Pseudocaedibacter falsus (ex Preer et al. 1974) Quackenbush 1982 Pseudocaedibacter conjugatus (ex Preer et al. 1974) Quackenbush 1982 Pseudocaedibacter minutus (ex Preer et al. 1974) Quackenbush 1982 Garrity G.M. Lilburn T.G. Cole J.R. Harrison S.H. Euzeby J. Tindall B.J. Part 3 – The Bacteria: Phylum Proteobacteria, Class Alphaproteobacteria 2007 52 111 The Taxonomic Outline of Bacteria and Archaea Release 7.7 Michigan State University Board of Trustees Quackenbush R.L. Genetic relationships among bacterial endosymbionts of Paramecium aurelia. Deoxyribonucleotide sequence relationships among members of Caedobacter 1978 108 2 181 187 Journal of General Microbiology J Gen Microbiol 0022-1287 10.1099/00221287-108-2-181 Quackenbush R.L. Genetic relationships among bacterial endosymbionts of Paramecium aurelia. Deoxyribonucleotide sequence relationships among members of Caedobacter 1978 108 2 181 187 Journal of General Microbiology J Gen Microbiol 0022-1287 10.1099/00221287-108-2-181 List Editor Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 8. 1982 32 2 266 268 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-32-2-266