Echinoid 10 - Texas fossil Group
US$42.00
- Species: Holaster Simplex
- Multiple sizes: 1.25 inches x 1.50 inches (3.175 - 3.81 centimeters)
- Block Weight: 6.2 pounds (2812.0 grams)
- Collecting Site: Timberline construction site
- Locality: Denton County, Justin, Texas
- Formation: Fort Worth Formation
- Age: 100 Million Years old
- Large group of echinoid fossils that were found in a turbidite zone from the Fort Worth formation.