Hallotheca aclis (Hall 1876)
15mm. long. A gift from Jeffrey P. Upper Ludlowville Formation, Hamilton Group, Givet, Middle Devon. From the Geer Rd. quarry, Lebanon, NY.
Photo Information
- Taken with Canon Canon PowerShot SX230 HS
- Focal Length 5 mm
- Exposure Time 1/30
- f Aperture f/3.1
- ISO Speed 125
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