Figure 5. Ammonite

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.

Ammonite fossil specimen from Alabama Cretaceous deposits
Courtesy of the Geological Survey of Alabama
Ammonite fossil specimen from Alabama Cretaceous deposits