Cyclonema Snail Fossil

These fossil molds of the ancient gastropod Cyclonema were found in Franklin County, Kentucky.  This snail existed in the Ordovician Period.  The fossil was found in the Lexington Limestone.  It is of the class Gastropoda, suborder Euomphalina, and superfamily Platyceratacea.  The genus Cyclonema was named by James Hall in 1852.

Kope Formation Cornulites

The green arrows point to the Cornulites (worm tubes) on this fossil laced plate found in the Kope Formation. These fossils of creatures that existed in the Ordovician Period in the area now known as Carroll County, Kentucky.  My Index Fossils of North America book lists the genus as being named by Schlotheim in 1820.

Seed Fern Fossil

Seed fern fossil found in Hazard County, Kentucky. It is probably an Alethopteris fern and grew in the Pennsylvanian Period.

Thanks to Herb for the fossil.