Cyrtobacter Vannini et al. 2010 Cyrtobacter comes Vannini et al. 2010 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 227 Vannini et al. 2010 Cyrtobacter Vannini et al. 2010 Incertae sedis 227 Vannini et al. 2010 Cyrtobacter comes Vannini et al. 2010 Cyrtobacter zanobii Boscaro et al. 2013 Vannini C. Ferrantini F. Schleifer K.-H. Ludwig W. Verni F. Petroni G. "Candidatus anadelfobacter veles" and "Candidatus cyrtobacter comes", two new rickettsiales species hosted by the protist ciliate Euplotes harpa (Ciliophora, Spirotrichea). 2010 76 12 4047 4054 Applied and Environmental Microbiology Appl Environ Microbiol 0099-2240 1098-5336 10.1128/AEM.03105-09 20435776 Boscaro V. Petroni G. Ristori A. Verni F. Vannini C. "Candidatus Defluviella procrastinata" and "Candidatus Cyrtobacter zanobii", two novel ciliate endosymbionts belonging to the "Midichloria clade". 2013 65 2 302 10 Microbial Ecology Microb Ecol 0095-3628 1432-184X 10.1007/s00248-012-0170-3 23296446