This Ichthyosaur/Plesiosaur coprolite rests on its original shale matrix and is heavily included with large fish bones, likely from a large individual.
Location: Black Ven, Lyme Regis, Dorset
Age: Lower Jurassic, Black Ven Marls - 200 million years old
Measurements: Coprolite (6cm), Matrix (7.6cm x 6.4cm)
Weight: 128g