Large Promicroceras pyritosum ammonite fossil (24 mm) 50 These are very popular ammonites

These are very popular ammonites and examples like this are uncommon these days

A stunning example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset

often collecting around an obstacle in the mud like a piece of wood or larger shell

which is large for this species

The shell sits in the original limestone matrix in which it was found that has been shaped and has a cut-flat base to allow it to be displayed freely standing

Large Promicroceras pyritosum ammonite fossil (24 mm) 50 These are very popular ammonitesA highly pyritised ammonite fossil of the species Promicroceras pyritosum from the world famous Jurassic Coast beach of Charmouth, Dorset UK. The fossil measures 24 mm (0. 96 inches) across, which is very large for this species. The ammonite is very well preserved on both sides. The ribs are very finely defined and the pyritic colour and shine is beautiful. A great example of the species and incredible in the flesh. A really impressive specimen. These