The Age of Mammals (1981)
The film focuses on mammals of the Cenozoic Era. It shows many developments and adaptations achieved as milestones in Cenozoic history, such as the evolution of the horse. The film also covers significant concepts such as geological time, differentiation of species, adaptation, and extinction.
| Crew | Gretchen Sibley | Technical Advisor |
| Visual Effects | Doug Beswick | Effects Supervisor |
| Visual Effects | Mark Wolf | Animation |
| Visual Effects | John Holmes | Modeling |
| Writing | Gail Morgan Hickman | Writer |
| Writing | Jim Aupperle | Writer |
| Visual Effects | Tony McVey | Modeling |