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Showing results for tags 'dennis formation'.
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Composita with Brachium preserved from the Winterset ls Composita Layer
Samurai posted a gallery image in Brachiopods
From the album: Missouri Brachiopods
This Composita specimen was unique and stunning as it has some internal preservation. Sadly the entire brachium isn't complete but it is still amazing to see it here regardless. This was collected several years ago from the Winterset ls "Composita layer" from the Dennis formation. I always theorized these beds were lenticular as the other side of the road does not contain or at least have them exposed. Below is a wider image with some of the internal crystallization in the surrounding Composita.-
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- Brachiopod
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From the album: Missouri Trilobites
One of the smaller specimines, but that just makes for better details! Found this little guy in what I call the upper Winterset Limestone member from the Dennis Formation. This pygidium less than 5mm.