Pentameroides subrectus
Pentameroides subrectus (Hall and Clarke, 1892).
Found on a road cut along the Niagara Escarpment in Hamilton, Ontario, Canada. Reynales Formation, Clinton Group. Silurian, Llandovery epoch, Telychian age. Size is approximately 10 cm across.
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Photo Information
- Taken with Apple iPhone 6
- Focal Length 4.2 mm
- Exposure Time 1/120
- f Aperture f/2.2
- ISO Speed 40
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