Huge complete subtly iridescent Caloceras display ammonite fossil (148 mm) crinoid This one has a huge

This one has a huge amount of detail for its size

75 inches) across

The fossil weighs 768 grams

Great for educating kids who never get tired of holding Jurassic poo

The neural and rib facets are present and well preserved

Huge complete subtly iridescent Caloceras display ammonite fossil (148 mm) crinoid This one has a hugeA stunning and perfect example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK. The matrix measures 380 mm (15 inches) across and the ammonite measures 148 mm (5. 8 inches), which is huge for this species and as big as it gets. The shell sits in the original limestone matrix in which it was found that has been shaped for display. The ammonite is very well preserved and has been prepared out of the rock to