Hardin County Blastoid

This recently found blastoid fossil was uncovered in Hardin County, Kentucky. It came from the St. Genevieve formation of the Mississippian Period.

Not sure of its exact identification.

Thanks to Pam for the images and nice find!

French Eocene Snail Fossils

Snail fossils from Parnes (Oise), France from the Eocene Epoch and Lutetian Stage (40-48 million years ago). This first fossil is called Potamides tricarinatus.

This next fossil is called Rhinoclavis striatus from Chaumont (Oise) France.

This fossil is called Turritella terbellata found in Chaumont (Oise) France.

This last fossil is Clavilithes parisiensis found in Damery (Marne), France.

All fossils were photographed on display at the Museum of Natural History in Paris, France.

Rhyncholampas Sea Urchin Fossil

This sea urchin fossil (enchinoid) is called Rhyncholampas gouldii. It is found in the Tamiami Formation of Suwannee County, Florida. The creature existed 2.5-5 million years ago (Pliocene Epoch/Neogene Period/Cenozoic Age).  The fossil was in a white, chalky matrix.

Classification:

• Phylum: Echinodermata
• Class: Echinoidea
• Order: Cassiduloida
• Family: Cassidulidae
• Genus: Rhyncholampus
• Species: gouldii

Thanks to Mary Ann for the fossils and my cousin Kenny for cleaning them up using sand/air abrasive cleaning. Unfortunately, I did not take any before pictures but they looked like Mexican wedding cookies (a little mound covered powdered sugar).