Echinoid 2
US$22.00
- Species: Holaster Simplex
- Size Length: 2.5 inches, (6.35 centimeters), Height: 1.87 inches, (4.75 centimeters), Width: 1.87 inches, (4.75 centimeters)
- Weight: 0.364 pounds (165 grams)
- Collecting Site: Timberbrook construction site
- Locality: Denton County, Justin, Texas
- Formation: Fort Worth Formation
- Age: 100 Million Years old