Aves (bird fossils)
Bones from the giant Canadian goose and the American turkey have been found in the Quaternary sediments at Big Bone Lick,. Bird fossils have never been found in the Cretaceous and Tertiary (Paleogene and Neogene) sediments in the Jackson Purchase Region in extreme eastern Kentucky, but the potential for finding them exists.
- Amphibia (salamander-like)
- Pisces (fish and shark)
- Mammalia (mammoths, mastodons......)
- Dinosauria (not found in Kentucky so far)
- Reptilia (lizard-like)