Ordovician Flexicalymene Pygidiums

Yesterday, KYANA Geological Society stopped by Carroll County, Kentucky for some Ordovician siteseeing after a marvelous tour of the Cincinnati Museum Grier Collections Center fossil department. I took a lot of pictures of specimens to post! Here is a sample of Flexicalymene trilobite pygidium pieces I found on the roadcut. I think we were in the Kope Formation of the Ordovician Period.

This first piece is of an enrolled Flexicalymene with a damaged cephalon and pygidium.

Australian Coral Fossil Pictures

The following images appear to be fossilized corals from Australia. I think a few are some sort of horn corals and the first one reminds me of a Louisville, Kentucky Aulocystis or Romingeria from the Devonian Period. I think these fossils might be Silurian or Ordovician Period.

Thanks to Bill for sending them in.

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.