Geology (13/229)

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Fossil fern. Crossopteris utahensis  aka Crossopteris utahensii. Pennsylvanian Epoch, Carboniferous Period. Manning Canyon Shale Formation, Late Mountains, Utah, USA.
Fossil fern. Crossopteris utahensis aka Crossopteris utahensii. Pennsylvanian Epoch, Carboniferous Period. Manning Canyon Shale Formation, Late Mountains, Utah, USA.
Filename: GLMFL503.jpg
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