This posting shows a series of images of a brownish fossil found in the Waldron Shale of Clark County, Indiana, USA. At first I thought it might me some sort of crushed crinoid calyx but my cousin suggested it might be some sort of cystoid fossil. It could be similar to the
Holocystites found in the Silurian aged Osgood Formation limestone. See
Kentucky Paleontology Society web site page on some of these fossils.
1 comment:
To me it looks like the calyx of an Eucalyptocrinus elrodi viewed from the dorsal surface.
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