Incertae sedis 327 Horn et al. 1999 Incertae sedis 327 Horn et al. 1999 Paracaedibacter Horn et al. 1999 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 Incertae sedis 326 Horn et al. 1999 Incertae sedis 327 Horn et al. 1999 Incertae sedis 326 Horn et al. 1999 Paracaedibacter Horn et al. 1999 Horn M. Fritsche T.R. Gautom R.K. Schleifer K.H. Wagner M. Novel bacterial endosymbionts of Acanthamoeba spp. related to the Paramecium caudatum symbiont Caedibacter caryophilus. 1999 1 4 357 67 Environmental Microbiology Environ Microbiol 1462-2912 1462-2920 10.1046/j.1462-2920.1999.00045.x 11207753 Horn M. Fritsche T.R. Gautom R.K. Schleifer K.H. Wagner M. Novel bacterial endosymbionts of Acanthamoeba spp. related to the Paramecium caudatum symbiont Caedibacter caryophilus. 1999 1 4 357 67 Environmental Microbiology Environ Microbiol 1462-2912 1462-2920 10.1046/j.1462-2920.1999.00045.x 11207753