| Description | Cellular Organism |
| Size | Gigantic |
| Skin Pigment | None, color varies |
| Hair | None |
| Distinguishing Features | Unique Organism |
| Series | TOS: "Immunity Syndrome" |
| Planet of Origin | Unknown |
| Quadrant | Presumed extra-galactic |
| Background | This entity engulfed numerous star systems destroying all life until it was confronted and stopped by the U.S.S. Enterprise NCC-1701. |
| Editors Notes | The Amoeba measured approximately 18,000 KM
long, and 3,000 KM wide and was surrounded by an energy-absorbing
field. Believed to originate outside the Milky Way Galaxy. |