Echinoid 1

US$7.50

Echinoid 1

US$7.50
  • Species: Hemiaster whitei  ( Three sample set )
  • Size Diameters: 0.375 -1.0  inches
  •        (0.95 - 2.54 centimeters)
  • Weight: 0.198 pounds (90 grams)
  • Collecting Site: Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Goodland Formation
  • Age: 110 Million Years old

Echinoid 2

US$21.40

Echinoid 2

US$21.40
  • Species: Holaster Simplex  ( three sample set )
  • Size Diameter: 2.0 x 1.75 inches
  •        (5.08 x 4.445 centimeters)
  • Weight: 0.494 pounds (224 grams)
  • Collecting Site: Timberbrook construction site
  • Locality: Denton County, Justin, Texas
  • Formation: Fort Worth Formation
  • Age: 100 Million Years old

Echinoid 3

US$49.00

Echinoid 3

US$49.00
  • Species: Hemiaster Bexari  ( three sample set )
  • Size Diameter: Approx. .375 inches
  •        (0.95 centimeters)
  • Weight: < .25 pounds (113 grams)
  • Collecting Site: Road Cut location
  • Locality: Brexar County, Texas
  • Formation: Corsicana Formation
  • Age: 68 Million Years old

Echinoid 4

US$48.00

Echinoid 4

US$48.00
  • Species: Hemiaster Bexari  ( three sample set )
  • Size Diameter: Approx. .375 inches
  •        (0.95 centimeters)
  • Weight: < .25 pounds (114 grams)
  • Collecting Site: Road Cut location
  • Locality: Brexar County, Texas
  • Formation: Corsicana Formation
  • Age: 68 Million Years old

Echinoid 5

US$7.50

Echinoid 5

US$7.50
  • Species: Hemiaster whitei  ( Three sample set )
  • Size Diameters: 0.375 -1.0  inches
  •        (0.95 - 2.54 centimeters)
  • Weight: 0.198 pounds (90 grams)
  • Collecting Site: Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Goodland Formation
  • Age: 110 Million Years old

Echinoid 8

US$12.95

Echinoid 8

US$12.95
  • Species: Macraster Texanus, Roemer
  • Size Diameter: 3.0 inches, (7.62 centimeters)
  • Weight: 0.757 pounds (344 grams)
  • Collecting Site: Timberbrook construction site, Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 100 Million Years old
  • Top of fossil echinoid covered with Serpula worm tubes. 

Echinoid 10

US$12.85

Echinoid 10

US$12.85
  • Species: Macraster Texanus, Roemer
  • Size Diameter: 2.75 inches, (6.985 centimeters)
  • Weight: 0.520 pounds (237 grams)
  • Collecting Site: Rock Creek
  • Locality: Tarrant County, Fort Worth, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 100 Million Years old
  • Note: Top of fossil echinoid has oyster shells attached randomly. 

Echinoid 6

US$34.00

Echinoid 6

US$34.00
  • Species: Tetragramma gaffi ( Cragin )
  • Size Diameter: Approx. 2.0 inches, (5.08 centimeters)
  • Weight: < .0.188 pounds (85 grams)
  • Collecting Site: Road Cut location
  • Locality: Kent, Texas
  • Formation: Buda or Boracho, Formations are bio-                  Stratigraphicly correlative to Washita Goup, Central TX
  • Age: 100 - 102 Million Years Old

Echinoid 7

US$14.95

Echinoid 7

US$14.95
  • Species: Macraster Texanus, Roemer
  • Size Diameter: 3.25 inches, (8.255 centimeters)
  • Weight: 1.056 pounds (479 grams)
  • Collecting Site: Rock Creek
  • Locality: Tarrant County, Fort Worth, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 100 Million Years old

Echinoid 9

US$12.75

Echinoid 9

US$12.75
  • Species: Macraster Texanus, Roemer
  • Size Diameter: 2.75 inches, (6.985 centimeters)
  • Weight: 0.556 pounds (252 grams)
  • Collecting Site: Rock Creek
  • Locality: Tarrant County, Fort Worth, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 100 Million Years old
  • Note: Top of fossil echinoid has oyster shells attached randomly.