Midichloriaceae Montagna et al. 2013 Midichloriaceae Montagna et al. 2013 Midichloria Sassera et al. 2006 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 Midichloriaceae Montagna et al. 2013 Rickettsiales Gieszczykiewicz 1939 (Approved Lists 1980) emend. Dumler et al. 2001 Anaplasmataceae Philip 1957 (Approved Lists 1980) emend. Dumler et al. 2001 Holosporaceae Görtz and Schmidt 2006 emend. Szokoli et al. 2016 Rickettsiaceae Pinkerton 1936 (Approved Lists 1980) emend. Dumler et al. 2001 Incertae sedis 43 None 2015 Ehrlichiaceae Moshkovski 1945 (Approved Lists 1980) emend. Hördt et al. 2020 Caedibacteriaceae corrig. Preer et al. 1974 Caedobacteriaceae (sic) Preer et al. 1974 Hepatincolaceae Szokoli et al. 2016 Incertae sedis 4 Garrity et al. 2007 Incertae sedis 240 Baker et al. 2003 Incertae sedis 226 Vannini et al. 2010 Incertae sedis 227 Vannini et al. 2010 Incertae sedis 256 Boscaro et al. 2013 Incertae sedis 303 Matsuura et al. 2012 Paracaedibacteraceae Hess et al. 2016 Incertae sedis 441 Matsuura et al. 2012 Incertae sedis 517 Schulz et al. 2014 Tenuibacteraceae Kroer et al. 2016 Deianiraeaceae Castelli et al. 2019 Neowolbachieae Li et al. 2019 Midichloria Sassera et al. 2006 Jidaibacter Schulz et al. 2016 Bandiella Senra et al. 2016 Fokinia Szokoli et al. 2016 emend. Szokoli et al. 2016 Grelliella corrig. Gruber-Vodicka et al. 2019 Grellia (sic) Gruber-Vodicka et al. 2019 Aquirickettsia corrig. Klinges et al. 2019 Aquarickettsia (sic) Klinges et al. 2019 Euplotella Boscaro et al. 2019 Szokoli F. Sabaneyeva E. Castelli M. Krenek S. Schrallhammer M. Soares C.A.G. da Silva-Neto I.D. Berendonk T.U. Petroni G. "Candidatus Fokinia solitaria", a Novel "Stand-Alone" Symbiotic Lineage of Midichloriaceae (Rickettsiales). 2016 11 1 e0145743 e0145743 PLoS One 1932-6203 10.1371/journal.pone.0145743 26731731 Boscaro V. Husnik F. Vannini C. Keeling P.J. Symbionts of the ciliate Euplotes: diversity, patterns and potential as models for bacteria-eukaryote endosymbioses. 2019 286 1907 20190693 20190693 Proceedings of the Royal Society Series B Proc R Soc Lond B Biol Sci 0962-8452 1471-2954 10.1098/rspb.2019.0693 31311477 Montagna M. Sassera D. Epis S. Bazzocchi C. Vannini C. Lo N. Sacchi L. Fukatsu T. Petroni G. Bandi C. "Candidatus Midichloriaceae" fam. nov. (Rickettsiales), an ecologically widespread clade of intracellular alphaproteobacteria. 2013 79 10 3241 8 Applied and Environmental Microbiology Appl Environ Microbiol 0099-2240 1098-5336 10.1128/AEM.03971-12 23503305 Schulz F. Martijn J. Wascher F. Lagkouvardos I. Kostanjšek R. Ettema T.J.G. Horn M. A Rickettsiales symbiont of amoebae with ancient features. 2016 18 8 2326 2342 Environmental Microbiology Environ Microbiol 1462-2912 1462-2920 10.1111/1462-2920.12881 25908022 Gruber-Vodicka H.R. Leisch N. Kleiner M. Hinzke T. Liebeke M. McFall-Ngai M. Hadfield M.G. Dubilier N. Two intracellular and cell type-specific bacterial symbionts in the placozoan Trichoplax H2. 2019 4 9 1465 1474 Nature Microbiology Nat Microbiol 2058-5276 10.1038/s41564-019-0475-9 31182796 Senra M.V.X. Dias R.J.P. Castelli M. Silva-Neto I.D. Verni F. Soares C.A.G. Petroni G. A House for Two--Double Bacterial Infection in Euplotes woodruffi Sq1 (Ciliophora, Euplotia) Sampled in Southeastern Brazil. 2016 71 2 505 517 Microbial Ecology Microb Ecol 0095-3628 1432-184X 10.1007/s00248-015-0668-6 26381539 Klinges J.G. Rosales S.M. McMinds R. Shaver E.C. Shantz A.A. Peters E.C. Eitel M. Wörheide G. Sharp K.H. Burkepile D.E. Silliman B.R. Vega Thurber R.L. Phylogenetic, genomic, and biogeographic characterization of a novel and ubiquitous marine invertebrate-associated Rickettsiales parasite, Candidatus Aquarickettsia rohweri, gen. nov., sp. nov. 2019 13 12 2938 2953 The ISME Journal ISME J 1751-7362 1751-7370 10.1038/s41396-019-0482-0 31384012 Montagna M. Sassera D. Epis S. Bazzocchi C. Vannini C. Lo N. Sacchi L. Fukatsu T. Petroni G. Bandi C. "Candidatus Midichloriaceae" fam. nov. (Rickettsiales), an ecologically widespread clade of intracellular alphaproteobacteria. 2013 79 10 3241 8 Applied and Environmental Microbiology Appl Environ Microbiol 0099-2240 1098-5336 10.1128/AEM.03971-12 23503305