Drymopora fascicularis Coral Fossil

Devonian Period fossil corals can be found in the Louisville, Kentucky, USA area. This area appears to have 100s of varieties of corals. Today, the one highlighted on the blog is called Drymopora fascicularis. It is found in the Jeffersonville Limestone of Clark County, Indiana and Jefferson County, Kentucky. Fossil was named by Davis in 1887.

Thanks to Kenny for letting me photograph it.

Syringopora perelegans Coral Fossil

Louisville Kentucky, USA is known for is wide array of Paleozoic coral fossils. The city is built upon thick limestone layers of ancient coral reefs that are exposed either naturally or during construction projects. This coral fossil appears to be a Syringopora perelegans named by Billings in 1858. It was found in the Middle Devonian aged limestone of Jefferson County, Kentucky.

Thanks to Kenny for letting me photograph this fossil.

Life on a Brachiopod

This specimen is an interesting example of biodiversity layer upon layer. The top layer consists for at least 5 crinoid holdfast probably belonging to the Eucalyptocrinus. See following magnified images for more detail. These holdfasts attached to an encrusting bryozoan that could be either Lichenalia or Sagenella. The bryozoan is covering an Eospirifer brachiopod.

Creatures lived in the Middle Silurian Period (425-419 million years ago). Fossil found in the Waldron Shale of Clark County, Indiana, USA.