Nature

Texas Limestone Hides Fossils of Sea Creatures in the Hill Country

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When you see fossiliferous limestone around the Hill Country, look carefully for fossils of sea life. Bivalves, such as clams, left behind imprints rather than their actual shells, which broke down over time. Another frequently seen fossil comes from gastropods, better known as snails. Like clams, their shells demineralized, though their impression remains in the rock. Less commonly seen are other sea animals such as crabs, corals, and sea urchins.

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