Trochlites ammonoid?
I think I'm seeing sutures, or at least lines of some kind following the spiral.
Utica Shale, Middle Ordovician.
Little Falls, NY.
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© © 2014 Tim Jones
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Photo Information
- Taken with Canon Canon PowerShot A470
- Focal Length 6.3 mm
- Exposure Time 1/15
- f Aperture f/3.0
- ISO Speed 200
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