Crinoidal Limestone – polished slices

Polished Crinoidal Limestone Slices

These are Crinoidal Limestone specimens, from the Carboniferous.

These fossils come from all around the UK, and are cut and polished to show a good amount of Crinoid fossils in each piece.

Image credits:

• Diagram showing the anatomy of a Crinoid courtesy of William I. Ausich via Wikimedia Commons.
• Photo showing a modern Crinoid courtesy of the National Oceanic and Atmospheric Administration of the USA, via Wikimedia Commons.