mules
From Trekipedia
Mules were a species of quadrupedal pack animals native to Earth. The Guardian of Forever showed many scenes of Earth history to the crew of the U.S.S. Enterprise NCC-1701, including scenes with mules.[1]
Notes and References
- ↑ Roddenberry, Gene (Executive Producer). "The City on the Edge of Forever." Star Trek, Season 1, Episode 28 (Production 28). Directed by Joseph Pevney. Written by Harlan Ellison. Desilu Productions, 6 April 1967.