Echinoid 1

US$28.00

Echinoid 1

US$28.00
  • Species: Macraster Texanus, Roemer
  • Size Length: 4.0 inches, ( 10.16 centimeters ) Height: 2.0 inches, ( 5.08 centimeters ), Width: 3.75 inches, ( 9.525 centimeters ) 
  • Weight: 1.228 pounds (558 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. 

Echinoid 2

US$22.00

Echinoid 2

US$22.00
  • Species: Holaster Simplex  
  • Size Length: 2.5 inches, (6.35 centimeters), Height: 1.87 inches, (4.75 centimeters), Width: 1.87 inches, (4.75 centimeters)
  • Weight: 0.364 pounds (165 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: 0.508 pounds (230 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, small oysters. 
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Echinoid 10

US$12.85
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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$37.00

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.

Echinoid 7

US$15.00

Echinoid 7

US$15.00
  • Species: Macraster Texanus, Roemer
  • Size Length: 2.125 inches, ( 5.40 centimeters ) Height: 0.75 inches, ( 1.91 centimeters ), Width: 2.0 inches, ( 5.08 centimeters ) 
  • Weight: 0.152 pounds (69 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. 
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Echinoid 9

US$12.75
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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.