Echinoid 20

Echinoid 20
US$21.00
  • Species: Macraster Texanus, Roemer
  • Size Length: 4.0 inches, ( 10.16 centimeters ) Height: 1.5 inches, ( 3.81 centimeters ), Width: 3.75 inches, ( 9.525 centimeters ) 
  • Weight: 1.158 pounds (525 grams)
  • Collecting Site: Paloma Ranch sub-division construction site.
  • Locality: Wise County, New Fairview, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 95 - 99 Million Years old
  • Note: Top of fossil echinoid is packed with large serpula worm tubes.  Orientation of the parasitic worm tubes is unique. Only one fossil specimen found like this.