Echinoid 6
US$37.00
- Species: Macraster Texanus, Roemer
- Size Length: 4.5 inches, ( 11.43 centimeters ) , Width: 3.75 inches, ( 9.525 centimeters )
- Weight: 2.6 pounds (1179 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. Fossil still attached to matrix. See all images.