Neorickettsia helminthoeca Philip et al. 1953 (Approved Lists 1980) 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 Ehrlichiaceae Moshkovski 1945 (Approved Lists 1980) emend. Hördt et al. 2020 Neorickettsia Philip et al. 1953 (Approved Lists 1980) emend. Dumler et al. 2001 Neorickettsia helminthoeca Philip et al. 1953 (Approved Lists 1980) Neorickettsia Philip et al. 1953 (Approved Lists 1980) emend. Dumler et al. 2001 Neorickettsia risticii (Holland et al. 1985) Dumler et al. 2001 emend. Hördt et al. 2020 Neorickettsia sennetsu (Misao and Kobayashi 1956) Dumler et al. 2001 emend. Hördt et al. 2020 Neorickettsia finleia (sic) Teymournejad et al. 2020 Neorickettsia findlayensis corrig. Teymournejad et al. 2020 Neorickettsia helminthoeca Philip et al. 1953 (Approved Lists 1980) Neorickettsia helminthoeca Philip et al. 1953 (Approved Lists 1980) Pretzman C. Ralph D. Stothard D.R. Fuerst P.A. Rikihisa Y. 16s rRNA Gene Sequence of Neorickettsia helminthoeca and its Phylogenetic Alignment with Members of the Genus Ehrlichia 1995 45 2 207 211 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-45-2-207 7537055 Isolated from Canis domesticus. DH82 is a canine histiocytic cell line from an infected dog, maintained at Ohio State University. Philip C.B. Hadlow W.J. Hughes L.E. Neorickettsia helmintheca, a new rickettsia-like disease agent in dogs in western United States transmitted by a helminth. 1953 2 256 257 Riassunti della Communicazione, VI Congresso Internazionale di Microbiologia, Roma