Dinosaur Gastrolith
at-auction$ 20
- Locality
- Big Horn Basin, Wyoming, USA
- Dimensions
- 5 x 2.8 x 1.5 cm
- Size class
- Miniature
- SID
- K903
Rounded dinosaur gastrolith found in the Morrison formation of Wyoming. A gastrolith is a rock held inside the gastrointestinal tract of a dinosaur and used to grind food to aid in digestion. This stone was found with fossils dating to approximately 150 million years ago.