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By Ludwigia
8.5cm. From the calloviense zone, early Callovian at Dairy Farm quarry in Ashton Keynes, Wiltshire, GB.
Posted February 3, 2017
talk about involute....
...and cadicone
By TomBailey, April 7
Tagged with:
By piersw, December 22, 2023
By Nink, November 29, 2023
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