Orthoceras Fossil Ammonite Cephalopod 500 Million Yrs Old Matrix Extinct Marine

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Orthoceras are the fossilized remains of an extinct marine animal from the Cephalopod family. They are ancestors to the modern day squid and octopus and date back to the Devonian period around 500 million years ago. These creatures could swim, and walk the sea floor. After they died, their shells were sent to the sea floor where they were buried by sediment and turned to stone. Very goo condition - photos form part of the description so please see pictures. This piece weighs 217 grams and measures 5" long 3" wide. It has a very nice smooth polished topside. There are a few rough spots to the side/underside as with all things created by mother nature but nothing dramatic.


Will ship via USPO with delivery tracking.