Jurassic ichthyosaur coprolite (poo) from Lyme Regis (43mm) crinoid The piece of limestone matrix

The piece of limestone matrix measures 400 mm across and contains dozens of juvenile ammonites

revealing the intricate internal calcite crystals

7 inches) across and is very well preserved with great detail in the ribbing and perfect centres on both sides

65 inches) tall and contains an ammonite that measures 52 mm (2

Jurassic ichthyosaur coprolite (poo) from Lyme Regis (43mm) crinoid The piece of limestone matrixA nice example of an ichthyosaur coprolite fossil from the world famous Jurassic Coast beach of Lyme Regis, Dorset UK. The fossil is matrix free and measures 43 mm (1. 7 inches) across, which is a good size for this fossil type. It represents the poo of the animal, which sank to the seafloor and was preserved in the soft mud. The fossil is well preserved and has been prepared using air abrasive techniques to remove all matrix. It has good detail in