4.8" Mercenaria Permagna Clam Fossil Golden Calcite Crystal Rucks Pit Florida Mesohippus Because ammonites evolved rapidly and

Because ammonites evolved rapidly and had distinct species over short geological time spans

the surrounding subtropical world is revealed in rare fossils

giving Edmontosaurus a low stance ideal for feeding close to the ground

Shell surfaces often exhibit fine ribbing or ornamentation

4.8" Mercenaria Permagna Clam Fossil Golden Calcite Crystal Rucks Pit Florida Mesohippus Because ammonites evolved rapidly andLocation: Fort Drum, Florida, United States Weight: 14. 3 Ounces Dimensions: 4. 8 Inches Long, 3. 8 Inches Wide, 1. 8 Inches Thick The item pictured is the one you will receive. Mercanaria Clams are extinct Miocene marine bivalves from the family Mercanariidae, dating back about 20 million years. These fossil clams are easily recognized by their distinctive shell shape and three to four cardinal teeth on each valve, making them a standout specimen for