Clypeus Ploti "Chedworth bun"

Clypeus Ploti (Salter)
From the Jurassic bajocian stage inferior oolite.
Collected from Wyke Rissington, Gloucestershire,England.
Loose from inferior oolite matrix ,this is a classic Cotswold's sea urchin, locally known as a "Chedworth Bun".
Very high quality,irregular sea urchin,air abraded at my workshop
The Echinoid measures 92mm