A Cretaceous ammonite fossil found in Wilcox County. Ammonites first appeared in the seas 400 million years ago and died out during the Cretaceous-Paleogene mass extinction about 66 million years ago. This specimen dates to approximately 70 million years ago.
Figure 5. Ammonite
![](https://bunny-wp-pullzone-5vqgtgkbhi.b-cdn.net/wp-content/uploads/2023/04/ammonite-1300x971.jpg)
Courtesy of the Geological Survey of Alabama
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