Ehrlichia chaffeensis Sapulpa Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Rickettsiales family Anaplasmataceae genus Ehrlichia species Ehrlichia chaffeensis Name Homonyms Ehrlichia chaffeensis Ehrlichia chaffeensis Sapulpa Ehrlichia chaffeensis Arkansas Ehrlichia chaffeensis Anderson et al. 1992 emend. Dumler et al. 2001