Coprolite - marine reptile.
Matrix free coprolite. Shows a whole layer of crushed fish, bones,scales and vertebrae running through the middle Excellent under magnification. From either a Plesiosaur or an Ichthyosaur.
Jurassic, Lower Sinemurian.
Church Cliff Bay, Lyme Regis, Dorset.
Coprolite : 6.4 cm. long.