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Tuesday, June 9, 2009

Devonian Tentaculites scalariformis?

This is a Tentaculites scalariformis (not sure about species) that lived in the Devonian period. It was found in Jeffersonville Limestone in Clark County, Indiana. I have been looking for another one of these for a while. This one is still in the rock with a lot of small brachiopods. The tip is quite small and fragile so it would be unwise to remove it from the rock.

Under magnification the tip still has its growth rings. The pictures show two side of the rock with one revealing much more of the creature's shell. The last picture has a different color because I was using a different light.




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