Polished Sutured Ammonite - SOLD 6.39" Cleoniceras predators 18" fossil plant that was

18" fossil plant that was recovered from Mazon Creek in Illinois

The process begins when wood is buried underneath sediment or volcanic ash

These natural time capsules allow scientists to study the composition of ancient climates

This creature lived 150

Polished Sutured Ammonite - SOLD 6.39" Cleoniceras predators 18" fossil plant that wasAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 6. 39" polished Cleoniceras fossil from Madagascar. This particular genus of ammonite had beautiful suture patterns that cross their shells like feathered jigsaw pieces and make fantastic display pieces. A stand and informational card is included with each fossil.