-40%
ammonite fossil large 140 years old in great condition
$ 13.2
- Description
- Size Guide
Description
Ammonites lived during the periods of Earth history known as the Jurassic and Cretaceous. Together, these represent a time interval of about140 million years
. The Jurassic Period began about 201 million years ago, and the Cretaceous ended about 66 million years ago. The ammonites became extinct at the end of the Cretaceous Period, at roughly the same time as the dinosaurs disappeared.