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Showing results for tags 'callovian ?'.
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Hi, I propose to the identification a fossil of a friend. This little sea urchin comes from the Black Cows, a famous site in the north of France. The age would be between Callovian and Oxfordian, or even more extensive. It is really pentagonal in shape, with a relatively flat profile, and it has two rows of interambular tubercles. It measures 12 mm in diameter and 7 mm high. Thanks for your help Coco
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Hi everybody. I made an exchange with someone who gave me that ammono-gastero fossil. The ammonite has 7 centimeters of circumference and the gasteropod 2,5 centimeters. All the information i have is that they must be from the Callovian stage, and i think they are from Britanny, in the North-West of France.
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