Holospora parva Lanzoni et al. 2016 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 Holosporales Szokoli et al. 2020 Holosporaceae Görtz and Schmidt 2006 emend. Szokoli et al. 2016 Holospora (ex Hafkine 1890) Gromov and Ossipov 1981 Holospora parva Lanzoni et al. 2016 Holospora (ex Hafkine 1890) Gromov and Ossipov 1981 Holospora caryophila (ex Preer et al. 1974) Preer and Preer 1982 Holospora undulata (ex Hafkine 1890) Gromov and Ossipov 1981 Holospora elegans (ex Hafkine 1890) Preer and Preer 1982 Holospora obtusa (ex Hafkine 1890) Gromov and Ossipov 1981 Holospora parva Lanzoni et al. 2016 Lanzoni O. Fokin S.I. Lebedeva N. Migunova A. Petroni G. Potekhin A. Rare Freshwater Ciliate Paramecium chlorelligerum Kahl, 1935 and Its Macronuclear Symbiotic Bacterium "Candidatus Holospora parva". 2016 11 12 e0167928 e0167928 PLoS One 1932-6203 10.1371/journal.pone.0167928 27992463 Lanzoni O. Fokin S.I. Lebedeva N. Migunova A. Petroni G. Potekhin A. Rare Freshwater Ciliate Paramecium chlorelligerum Kahl, 1935 and Its Macronuclear Symbiotic Bacterium "Candidatus Holospora parva". 2016 11 12 e0167928 e0167928 PLoS One 1932-6203 10.1371/journal.pone.0167928 27992463