Horn Coral, also known as Rugose Coral, lived in the Devonian Period, between 412 and 354 million years ago. These creatures could grow as long as three feet, and are believed to have possessed stingers to kill their prey.
NOTE: The item photographed is similar to the one you will receive. These fossil corals are approximately 1.5"=2" in length, and weigh between 1.5 and 2 ounces. Region of origin: Arkona, Ontario.