Fossil Oysters - Rastellum
US$26.00
- Species: Rastellum carinaturn ( Lamarck, 1806 )
- Size Diameter: 6.0 inches (15.34 centimeters)
- Weight: 2.022 pounds (917 grams)
- Collecting Site: Pecan Square construction site
- Locality: Denton County, Northlake, Texas
- Formation: Washita Group, Main Street Formation
- Age: 98 Million Years old
- Note: Group of large Rastellum Oysters from the Main Street Limestone formation. Another common name used by collectors is " denture clam ".