Pyrite fossils

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Partially pyritized crinoid (Arthroacantha carpenteri) surrounded by brachiopods from the Silica Formation (also called the Silica Shale) of the Middle Devonian. Sylvania, Lucas County, Ohio, USA.
Partially pyritized crinoid (Arthroacantha carpenteri) surrounded by brachiopods from the Silica Formation (also called the Silica Shale) of the Middle Devonian. Sylvania, Lucas County, Ohio, USA.
Filename: crinoid_arthroacantha_pyritized_1.jpg
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