Pterotrigonia #2: Tennessee State Fossil
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*Pterotrigonia thoracica* (Bivalvia). Coon Creek Formation, TN. Courtesy of the ETSU Department of Geosciences. Pterotrigonia was a shallow-burrowing suspension feeder that inhabited the ocean floor of West Tennessee 70 million years ago. Source: Objaverse 1.0 / Sketchfab
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Zenodo创建时间：
2023-12-28
