Balanocidaris spine
Unit 2, Lower Member, Glen Rose Formation, Trinity Group
Albian Stage (Lower Cretaceous)
Comal County, TX
- 2
Photo Information
- Taken with Canon Canon PowerShot SD1200 IS
- Focal Length 6.2 mm
- Exposure Time 1/200
- f Aperture f/8.0
- ISO Speed 80
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