Echinoid 1
US$28.00
- Species: Macraster Texanus, Roemer
- Size Length: 4.0 inches, ( 10.16 centimeters ) Height: 1.5 inches, ( 3.81 centimeters ), Width: 3.50 inches, ( 8.89 centimeters )
- Weight: 0.944 pounds (428 grams)
- Collecting Site: Timberbrook Construction site
- Locality: Denton County, Justin, Texas
- Formation: Washita Group, Fort Worth Formation
- Age: 95 - 99 Million Years old
- Note: Top of fossil echinoid has oyster shells, serpula worm tubes attached randomly.