Echinoid 2
US$21.40
- Species: Holaster Simplex ( three sample set )
- Size Diameter: 2.0 x 1.75 inches
- (5.08 x 4.445 centimeters)
- Weight: 0.494 pounds (224 grams)
- Collecting Site: Timberbrook construction site
- Locality: Denton County, Justin, Texas
- Formation: Fort Worth Formation
- Age: 100 Million Years old