Crucilobiceras pyrite ammonite fossil (21 mm) New The piece of limestone matrix

The piece of limestone matrix measures 60 mm (2

The pyrite matrix contains lots of small ammonite shells which all accumulated together on the seafloor in the Early Jurassic

These multi-ammonite assemblages (or 'death beds') occur when lots of shells came together on the seafloor before being fossilised together

which is huge for this species and as big as it gets

The fossil measures 79 mm (3

Crucilobiceras pyrite ammonite fossil (21 mm) New The piece of limestone matrixA stunning example of a highly pyritised ammonite fossil of the species Crucilobiceras densinodulum from the world famous Jurassic Coast beach of Charmouth, Dorset UK. The fossil measures 21 mm (0. 8 inches) across and is well preserved with great detail in the ribbing. It has a beautiful pyritic metallic shine. These little pyrite ammonites have long been used to create natural jewellery and look amazing in the flesh. Around 196 million years old,