Hexagonaria percarinatum
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This is a Hexagonaria percarinatum that I dug up in Alpena, MI in May of 2021. It is a colonial rugose coral from the Devonian time period, roughly 400 million years old. Its the state stone of Michigan and also known as a Petoskey Stone, once its polished and sold in gift shops. The fossil is about 16cm across at its widest. Source: Objaverse 1.0 / Sketchfab
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Zenodo创建时间：
2023-12-28
