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Saturday, July 25, 2009

Silurian Dalmanites Trilobite Fragments

At one time in the Louisville, Kentucky area there lived some very large Silurian Period trilobites. Here are some fragments that were found that were just the back pieces. They are almost 4 cm wide so the entire trilobite was huge compared to Devonian Period Phacops and Ordovician Period Flexicalymene pieces we find. The only other trilobite in this area that may have been larger was the Ordovician Period Isotelus.

These fragments were found in Jefferson County, Kentucky in the Louisville Limestone. These are probably Silurian Period Dalmanites.







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