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Showing results for tags 'swatara state park'.
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Found two fossils with any distinctive shape this weekend at Swatara State Park in PA. The ridged one I'm thinking is a jumbo crinoid of some sort, but I've never seen one bigger around than a pencil before. It looks like it had concentric rings and the one end seems to show the outline of where the critter stopped and the clay hardened around it. Thoughts? Also, I spilt this one open and almost missed it because I was looking for something 3D, but it is too regular a pattern to be a random pattern in the mud. Thanks to anyone who has ideas!