| ehrlichia canis | species | bacteria | bacteria | species | 944 |
| ehrlichia chaffeensis | species | bacteria | bacteria | species | 945 |
| ehrlichia chaffeensis str. heartland | no rank | | | no rank | 1249651 |
| ehrlichia chaffeensis str. jax | no rank | | | no rank | 1249652 |
| ehrlichia chaffeensis str. liberty | no rank | | | no rank | 1249653 |
| ehrlichia chaffeensis str. osceola | no rank | | | no rank | 1249654 |
| ehrlichia chaffeensis str. saint vincent | no rank | | | no rank | 1249655 |
| ehrlichia chaffeensis str. wakulla | no rank | | | no rank | 1249656 |
| ehrlichia chaffeensis str. west paces | no rank | | | no rank | 1249650 |
| ehrlichia ewingii | species | bacteria | bacteria | species | 947 |