Homotrypa similis (Foord 1883) ?
By Ludwigia
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5cm. long. From the JD quarry in Gamebridge, On. Canada. Verulam Formation, Katian, Upper Ordovician.
Photo Information
- Taken with Canon Canon PowerShot SX230 HS
- Focal Length 5 mm
- Exposure Time 1/8
- f Aperture f/3.1
- ISO Speed 1600
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