Grahamella peromysci (ex Tyzzer 1942) Ristic and Kreier 1984 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 Hyphomicrobiales Douglas 1957 (Approved Lists 1980) emend. Hördt et al. 2020 Bartonellaceae Gieszczykiewicz 1939 (Approved Lists 1980) emend. Brenner et al. 1993 Bartonella Strong et al. 1915 (Approved Lists 1980) emend. Birtles et al. 1995 Grahamella peromysci (ex Tyzzer 1942) Ristic and Kreier 1984 Bartonella Strong et al. 1915 (Approved Lists 1980) emend. Birtles et al. 1995 Grahamella talpae (ex Brumpt 1911) Ristic and Kreier 1984 Bartonella peromysci (Ristic and Kreier 1984) Birtles et al. 1995 Grahamella peromysci (ex Tyzzer 1942) Ristic and Kreier 1984 Ristic M. Kreier J.P. Holt J.G. Genus II. Grahamella (ex Brumpt 1911) nom.rev. 1984 1 1 718 719 Bergey's Manual of Systematic Bacteriology The Williams and Wilkins Co. Baltimore